27 Best Firewall Developers For Hire In Texas

Check out Firewall Developers in Texas with the skills you need for your next job.

Get started

$110 hourly
- 5.0/5
- (62 jobs)
Experienced network engineer that has embraced the cloud and helped organizations large and small. I have done everything from establish VPNs to design global hybrid networks that utilize SD-WAN and direct connect. I have also designed multi-account AWS environments with least privilege cross account access via IAM users and SAML identity providers. I hold over 10 AWS certifications including Solutions Architect Professional, Advanced Networking Specialty, and Security Specialty. I am passionate about learning new things, expanding my existing knowledge, and sharing my knowledge to help others effectively utilize technology.

Firewall
Cisco Router
Cloudflare
Linux System Administration
OpenVPN
Amazon GuardDuty
Oracle Cloud
Bash Programming
Amazon Web Services
Python
Cisco Meraki
Network Engineering
Ubiquiti
Virtualization
VPN
$45 hourly
- 4.8/5
- (12 jobs)
I am a highly skilled and experienced Network Engineer with more than 10 years of experience in the industry. Although my experience cover several fields such as linux administration, VOIP, Webservers, Microsoft AD services, AWS. My specialization focus in Wired/Wireless Network architecture and security. I hold several prestige certificatons that prove my knowledge from different vendors including Meraki, Ubiquiti, Aruba, Ekahau, etc. I hold the presitgious CISCO CCIE certification focus in Wireless #60096 along with CCNA, and CCNP certifications. I have a proven track record in designing, implementing, and securing scalable wired and wireless networks. My expertise includes analyzing network requirements, designing topologies, developing project plans, and implementing solutions that meet business objectives.

Firewall
Cisco ISE
OSPF
Enhanced Interior Gateway Routing Protocol
Wireless Network Implementation
Cisco Certified Internetwork Expert
Network Administration
Cisco Meraki
Virtual LAN
Virtualization
Network Design
Network Security
WiFi
$75 hourly
- 5.0/5
- (24 jobs)
Ten years of network and systems administrator work with a focus on security. Skilled in implementing and maintaining a wide range of technologies, including: -Windows/Linux servers -Azure and AWS networking -Firewalls, Routers, and Switches -M365 Security -Email Authentication: SPF, DKIM,DMARC,BIBI -DNS -Data Center work -Active Directory -VPN

Firewall
Cisco ASA
Office 365
Cloud Computing
Windows Server
Linux System Administration
Email Security
Microsoft Active Directory
Microsoft Azure
Computing & Networking
Network Administration
Network Design
Cisco Meraki
Network Security
VPN
$72 hourly
- 4.9/5
- (74 jobs)
I have a wide knowledge of supporting and implementing technology. I have a background in Security, working in Military Intelligence. I have multiple certifications in networking and security. I consider myself a jack-of-all-trades and learn new technologies very fast. I currently work for a Manged Service Provider, I work with small business everyday, and support all levels of their IT needs. Some of my experience and knowledge include Software, Hardware, Servers, Workstations, Windows, Mac, Networking, Security, Firewalls, Virus removal, data backup and data recovery, printers, Email, cloud technologies, Microsoft Office, Office 365, Google Gsuite. I have a very good broad knowledge of everything IT, so even if it isn't something I do everyday, I have the ability to figure it out.

Firewall
Server
Email Support
Network Administration
Microsoft Windows
Office 365
Hardware Troubleshooting
Virus Removal
System Administration
Disaster Recovery
Google Workspace Administration
macOS
Cloud Computing
Network Security
$85 hourly
- 5.0/5
- (5 jobs)
20-year Information Security and Technology professional; a skilled communicator; able to effectively build teams, establish rapport with members of diverse groups, build and lead enterprise level programs, solve diverse problems and able to adapt and overcome disparate challenges Specialties: Incident Handling, Digital Forensics, Risk Assessment, Security Assessment, Penetration Testing, Merger and Acquisition evaluation and Network Security; Python development

Firewall
PHP
Web Application Security
Web Application Firewall
Python
Django
Intrusion Detection System
Digital Forensics
Vulnerability Assessment
Penetration Testing
$150 hourly
- 4.7/5
- (123 jobs)
I have over 20+ years 🏅 of experience in Cloud, System, Network, and Security Administration. My primary focus is on first understanding business objectives and then providing technical solutions. Communication and customer satisfaction are my top priority with every project. 👈👈👈 You are contracting someone who is an expert in multiple areas. Many projects start with an idea of what the problem is, only to find out it is something else. You won't have to go find another expert in that area to get the job done. 🏆🏆🏆 🌟 I have worked with clients of all sizes and all industries 🌟 ✔ MSPs ✔ Government ✔ Insurance ✔ Education ✔ Dallas Cowboys Football Stadium 🌟 Here are my core competencies 🌟 ✔ Server Administration: Windows and Linux ✔ Virtualization: VMware, Hyper-V, and Proxmox ✔ Network Administration: Switches, Routers, Load Balancers, and Wireless ✔ Cloud Administration: AWS, Azure, Vultr, OVHCloud, and Hetzner ✔ Cloud Productivity: Google Workspace and Microsoft 365 ✔ Firewall Administration: FortiNet/FortiGate, Cisco, Juniper, pfSense, Ubiquiti, Sonicwall, etc. ✔ Security Administration: Firewalls, Site-to-Site VPN, Remote Access VPN, Multifactor Authentication, and Endpoint Protection

Firewall
Windows Administration
Data Migration
VMware Administration
DNS
Office 365
Backup & Migration
Cloud Security
Google Workspace Administration
Email Security
Acronis
Cloud Migration
Network Administration
SSL
VPN
$55 hourly
- 5.0/5
- (1 job)
Experienced Networking Tech/Engineer committed to maintaining cutting edge technical skills and up-to-date industry knowledge. Responsible Network Technician with comprehensive experience scheduling conversions and cutover. Extensive experience monitoring, tracking, and evaluating global IT infrastructure incidents. Recently graduated Telecommunications Engineer seeking opportunity for growth and development of technical skills. Willing to take on additional responsibilities in order to add value to a growing company’s vision. Telecommunications Engineer with specialties in disaster recovery and implementing solutions that ensure or increase architectural stability. Additional background includes successfully migrating voice traffic from one platform to another without disruption of service or impact to the customer. Seeking a position in telecommunications or customer service where my expertise can be used to meet immediate standards and goals. Highly qualified Telecommunications Engineer and planner with proven skills in presale, installation, maintenance, design, project management, documentation and service in the voice industry. Detail-oriented Networking Engineer with a focus on storage and virtualization and proven leadership ability. Seeking a challenging position leading an IT team or focusing on project management. Networking Engineer with superior technical understanding of cellular technologies, wireless core network infrastructure and IP networking. Extensive background in administration and support of office PBX and voice messaging systems. Seeking an IT position troubleshooting issues at user level as well as phone system programming. Motivated, reliable and well-organized Telecommunications/Networking Engineer offering 10+ years’ experience in field installations seeking an exciting position focused on network security.

Firewall
Windows Administration
Tech & IT
Network Engineering
CompTIA
WiFi
Computing & Networking
Aruba
Computer Science
Ubiquiti
Palo Alto Firewalls
Cisco
Ethical Hacking
Technical Project Management
Server & Virtualization Software
$50 hourly
- 5.0/5
- (2 jobs)
A proven technical leader with a proven track record in network engineering, team building, firewall administration, and expert troubleshooting support. An innovator who excels in the challenge of accurate and efficient solutions for difficult situations. A well-rounded teammate with outstanding interpersonal skills driven to develop and grow in a strong culture. KEY SKILLS AND KNOWLEDGE - Bachelor's of Science I.T.M - Army Warrant Officer (255N) - CCNA Certified - CASP+ Certified - Security+ Certified

Firewall
Network Security
Network Monitoring
Network Equipment
Network Access Control
CompTIA
Cisco Certified Network Associate
Palo Alto Firewalls
Information Technology
Computing & Networking
Computer Network
Network Engineering
Network Administration
$75 hourly
- 4.0/5
- (2 jobs)
20+ years’ experience in providing Windows server and network support; large-scale deployments; design/architecture/configuration/installation/integration of networks; disaster recovery; relocations; migrations, and project management.

Firewall
System Administration
Microsoft Windows
Windows Server
Microsoft Outlook
Windows Administration
Linux System Administration
System Installation & Upgrades
Migration
Ansible
Microsoft Windows PowerShell
Microsoft Hyper-V Server
Microsoft Exchange Server
DNS
Ethical Hacking
VMware Administration
Network Administration
McAfee VirusScan
Microsoft Active Directory
$25 hourly
- 5.0/5
- (11 jobs)
I am a certified Systems Engineer with over 10 years of experience working with leading IT vendors, including VMware, Microsoft, AWS, Kaspersky, CompTIA, and the Linux Professional Institute. My expertise spans industry-standard knowledge and hands-on experience in systems administration, virtualization, storage, backup, cybersecurity, network management, blade servers, and cloud services across diverse platforms and technologies. This decade-long journey has equipped me with a comprehensive skill set to deliver efficient and cutting-edge solutions, as well as in problem-solving & time management skills to ensure the on-time completion of projects, admirable communication skills, ability to quickly understand complex issues, etc. I will provide my services to any existing infrastructure and install/configure a new infrastructure/environment. I am always interested in new projects and look forward to communicating with you about making the “dream works.” Certifications • CompTIA Security+ • CompTIA Cysa+ • MCITP, MCSA, MCSE • Azure Administrator (AZ-900) (AZ-104) • LPIC • CNSS (Certified Network Secuirty specialist) • Fortinet NSE 1 & NSE2 • VCP-DCV 6.7 • VCTSP 2018 • VTSP-DV • VTSP-NV • VSP • Kaspersky Endpoint Security for Business

Firewall
Cloud Services
Cloudflare
VMware Administration
Microsoft Azure
Microsoft Active Directory
Windows Server
Amazon Web Services
VMWare
VMware vSphere
Linux System Administration
Network Administration
Windows Administration
System Administration
Information Security
$110 hourly
- 4.3/5
- (19 jobs)
Hello, I am Juhi Jaiswal, a network and security engineer based in Houston, TX. I have eight years of professional IT experience and have worked on enterprise networks that serve thousands of users. When we work together, we share the same goal, maximizing the productivity of your network to keep your business operations going securely for your valuable data. Specialization: IPsec and SSL VPN implementation and troubleshooting Fortigate firewalls administration - DHCP, NAT, DNS, AP, TCP/UDP/IP AWS Cloud Networking - VPC, Security group, NACL VPC Peering, NAT gateway, Transit Gateway Advanced troubleshooting & traffic analysis Enterprise network design SD-WAN implementation High Availability Static and Dynamic Routing - BGP and OSPF Fortimanager - Policy/Device configuration and propagation, VPN management Fortianalyzer - Network security logging, analysis, and reporting Professional qualifications : AWS Certified Advanced Networking – Specialty - EQW2JTVLBFV4QY39 AWS Certified Cloud Practitioner - 3WD8QBXLDMR1QDKZ Fortinet Certified Network Security Architect (Enterprise Firewall) (NSE7) – FsrQayxtj0 Fortinet Certified Network Security Analyst (FortiManager and FortiAnalyzer) (NSE5) - 7m42GMOB25 Fortinet Certified Network Security Professional (NSE4) - J98CJ0U01Z Please send me a brief about your project and your requirement. If it seems like a good fit, we will schedule a call to discuss it more detail.

Firewall
Microsoft Azure
Amazon Web Services
Cloud Security
Cisco Meraki
PfSense
Palo Alto Firewalls
MikroTik RouterOS
Network Design
Ubiquiti
Fortinet
Network Administration
VPN
Cisco ASA
Internet Protocol Security
$18 hourly
- 5.0/5
- (1 job)
I am a results-driven and innovative cyber operations leader known for adeptly implementing technical solutions, managing cross-functional teams, and effectively coordinating and communicating with internal and external stakeholders. Recognized for demonstrating a natural aptitude for administering and supporting critical enterprise networks, as well as for ensuring adherence to demanding standards. Professional focal points include key infrastructure networks, enterprise network operations, information systems security, technical project coordination, stakeholder relations, risk management, team leadership, troubleshooting, and problem solving. Delivering superior administration on the latter areas of expertise requires utilization of effective interpersonal, communication and organizational skills, negotiation abilities, as well as systems analysis and resource management to support efficiency, quality, and compliance.

Firewall
Computer Network
Microsoft Office
Network Monitoring
Information Security
System Monitoring
System Security
Database
Cisco Router
Business Operations
Network Engineering
Typing
Network Equipment
Management Skills
$20 hourly
- 5.0/5
- (1 job)
Driven Systems Administrator with six years of experience in software implementation and maintenance. Proven history of managing complex infrastructures and data center operations. Expert in solutions-oriented business application problem-solving and dedicated to providing best-in-class service. Skilled at troubleshooting, communication, and collaboration.

Firewall
Network Administration
Virus Removal
Windows Administration
Office 365
Computer Network
System Monitoring
Microsoft Windows
Desktop Application
Microsoft Office
Information Security
$100 hourly
- 0.0/5
- (0 jobs)
Over Nine years of experience in Network design, configuration, deployment and operations.  Strong hands on experience in installing, configuring, and troubleshooting of Cisco series Routers and Cisco switches.  Knowledge in SonicWALL UTM, F5 LTM for the corporate applications and their availability.  Knowledge in VPN tunneling like GRE , IP sec  Design and configuring of OSPF, EIGRP, RIP routing Protocol.  Experience testing Cisco routers and switches in laboratory scenarios and then deploy them on site for production.  Knowledge and hands on experience in deployment of projects for network monitoring software like Solarwinds, PRTG and Whatsup Gold.  Knowledge in configuring and troubleshooting Cisco Wireless Networks, Standalone APs.  Provides technical leadership for problem escalation and resolution.  Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of professional.

Firewall
VoIP Software
VPN
SolarWinds VoIP & Network Quality Manager
VoIP
Cloud Application
Cisco Router
CompTIA
Cisco
Infoblox IPAM
Computing & Networking
Computer Network
Network Engineering
Microsoft Active Directory
Microsoft Exchange Server
$95 hourly
- 0.0/5
- (0 jobs)
Firewall engineer and network security admin for government agency. Proficient with Cisco and Fortinet firewalls, as well as strong background in Cisco route switch. Also moderate skill in Cisco ISE, Fortianalyzer, and Palo Alto Firewalls. • CCNP - Enterprise •CCNP - Security •Fortinet FCP -Network Security •CSA CCSKv4 •ISC2 CCSP credly.com/users/teddy-boggs to view verified badges.

Firewall
Computing & Networking
Network Security
$50 hourly
- 5.0/5
- (1 job)
Professional Network Technician and Cyber Security Consultant As a seasoned Network Technician with an Associate Degree in Network Administration and Cybersecurity, I specialize in managing sophisticated networking solutions, including Cradlepoint technologies, Cisco Meraki systems, and other Linux based systems. My professional experience encompasses a broad range of network functionalities, from setup and configuration to maintenance and troubleshooting of advanced firewall systems. I am committed to providing robust network solutions that ensure seamless, secure operations for my clients. Whether you need a detailed network assessment, targeted improvements, or ongoing management, I am here to deliver high-quality, reliable results. I am excited to bring my technical expertise and proactive approach to your next project, ensuring your networking needs are met with the highest standards of efficiency and security.

Firewall
Linux
MikroTik
TCP/IP
WAN Optimization
LAN Administration
Cisco Meraki
Cisco
Administrate
Computing & Networking
Computer Network
Network Engineering
System Administration
$50 hourly
- 0.0/5
- (0 jobs)
I'm an experience Systems Administrator in managing Office 365 (Outlook/Exchange/Domain/SharePoint/OneDrive) Google Workspace Administrator (Email/Domain) Azure Active Directory and Cloud Services and Infrastructure Microsoft Endpoint/Intune Network Infrastructure (Firewalls, Access Points, Managed Switches) - Omada and Unify 2023 Corporate Employee of the Year for current company

Firewall
SonicWall
Internet Security
Microsoft SharePoint Administration
TeamViewer
Ubiquiti
Office 365
Microsoft Power Automate Administration
Microsoft Intune
Microsoft Endpoint Manager
Microsoft Azure Administration
Microsoft Active Directory
Computing & Networking
$125 hourly
- 0.0/5
- (0 jobs)
I'm a 20+ year network architect with experience in small business networks and design all the way up to international large scale footprints. Whether you're looking for quick network help, or ongoing assistance with a plan, I can help. I enjoy troubleshooting problems and learning customer environments. * Unassociated active CCIE * Extensive knowledge in Cisco/Juniper, especially routing and switching platforms as well as security. * Experience building International large scale foot prints * Equally at home with small/mid size network support * Unifi/Ubiquiti. I've set up many small business environments with custom scripting, wireless networks, and vpns connecting sites together. * All around network administration. I've consulted many ISPs and small companies around the globe, building custom systems and troubleshooting complex problems. Networking is my passion. I freelance multiple contracts and love to get into the technical weeds. I'm available for short term and long term relationships. I would love to discuss with you further and I am open for negotiation.

Firewall
Web Proxy
Network Monitoring
Network Engineering
Aruba
Network Security
Cloud Architecture
Wireless Communication
Ubiquiti
Red Hat
macOS
Network Design
Network Architecture
Juniper
Cisco
$80 hourly
- 0.0/5
- (0 jobs)
Network Security Engineer with 8 years of experience specializing in Checkpoint and Palo Alto firewall technologies. Extensive expertise in configuring, deploying, and managing Checkpoint Firewall Smart Console (R81.10) and Palo Alto firewalls. Proficient in designing and maintaining firewall rules and policies to ensure network security and compliance with industry standards. Skilled in troubleshooting network connectivity issues, conducting packet captures, and analyzing firewall logs to identify and mitigate security threats. Strong knowledge of advanced firewall features, including Security Policies, User-ID, NAT policies, VPN configurations, and SSL decryption. Adept at collaborating with cross-functional teams to enhance network security, implement security best practices, and provide effective solutions for clients.

Firewall
Policy Analysis
Implementation
Security Analysis
Information Security
VPN
Palo Alto Firewalls
Check Point
$80 hourly
- 0.0/5
- (0 jobs)
PROFESSIONAL SUMMARY Highly experienced IT professional with over 17 years in the networking industry, specializing in data center technologies. As a Cisco Data Center CCIE, I have a proven track record in designing, implementing, and managing complex network infrastructures across diverse enterprise environments. My career has spanned multiple technical roles, with extensive hands-on experience in network architecture, consulting, automation, and leadership. I am committed to delivering tailored solutions that meet business objectives with a focus on innovation, efficiency, and reliability.

Firewall
VMWare
Network Security
Cloud Computing
Ansible
Routing
Amazon Web Services
Cisco Certified Internetwork Expert
Cisco Certified Network Professional
Network Engineering
Government Reporting Compliance
Computing & Networking
Architecture
Compliance
Information Security
$45 hourly
- 0.0/5
- (0 jobs)
Seasoned IT professional with over 20 years of expertise in delivering comprehensive onsite and remote support across corporate, military, and educational non-profit environments. Proven track record in leading incident closures and implementing secure, efficient IT solutions. Highly proficient in Windows systems, networking, cloud technologies, and Active Directory. Currently expanding skills in automation and scripting with tools like Python, Bash, Ansible, Git, and Docker to streamline IT processes and enhance system efficiency. Adept communicator focused on delivering practical solutions to end users. Prioritizing fully remote opportunities to leverage extensive experience in dynamic, virtual work settings.

Firewall
Docker Compose
Cisco IOS
Git
Docker
Data Backup
Ansible
Cisco Router
Bash Programming
Computer Network
System Administration
Computing & Networking
Network Engineering
Problem Solving
DevOps
$50 hourly
- 5.0/5
- (1 job)
Currently, I manage a Fortune 500 company LAN/WAN. I have extensive experience with Cisco ASA, routers, switches, Nexus 1000v, Nexus 7000, Juniper , Checkpoint firewall, Cisco UCS, VMware hypervisor, IBM Chassis E and S series, DMVPN configuration and troubleshooting. I also have network designing experience. I am VCP, CCNP, CCNA, MCSE and MCTS (Active Directory) certified.

Firewall
Microsoft Hyper-V Server
Cisco Router
JNCIA-Junos
Cisco IOS
Cisco CallManager
Cisco PIX
Amazon EC2
Cisco ASA
Juniper
$60 hourly
- 3.4/5
- (2 jobs)
CCNP certified professional with 12 years of experience providing hardware and software technical support and customer support experience within public and private sector. Technical hands-on capabilities with: installation and configuration, remote monitoring, customer service, tech support, maintenance and troubleshooting. Possessing a good team spirit, deadline orientated and having the ability to organize and present technically sophisticated telecommunications support engineering professional with a solid background in installation and configuration of networks and computers. Skilled in client relations with an emphasis on customer-centric service delivery, especially as it relates to providing troubleshooting support on and off site, in person, by phone, or online. Dedicated team leader adept at developing training protocols, executing multiple projects, and generating detailed reports in an effort to always be increasing efficiency. Performs well under pressure and in fast-paced work environments. Adept at analysis and problem solving.

Firewall
DNS
DHCP
Security Analysis
Security Engineering
Infoblox IPAM
Cisco Meraki
Cisco
Palo Alto Firewalls
Windows Server
Network Administration
Antivirus & Security Software
Fortinet
Cisco Certified Network Associate
Server
Cisco Router
Network Security
Microsoft Windows
$25 hourly
- 0.0/5
- (1 job)
I am a Master Certified Ethical Hacker specializing in identifying vulnerabilities in web applications, networks, and systems. With extensive experience in penetration testing and ethical hacking strategies, I can thoroughly assess your security posture and provide a comprehensive, detailed report of any issues found. I don't just identify problems—I also offer actionable solutions to fix them and strengthen your security. My goal is to ensure your systems are fully secured against potential threats while maintaining the highest standards of integrity and professionalism.

Firewall
SEO Backlinking
Web Development
Web App Penetration Testing
HTML
WordPress
Web Design
Content SEO
WordPress Theme
Web Application
WordPress Security
Ethical Hacking
WordPress Development
WordPress Plugin
Amazon Lightsail
$10 hourly
- 5.0/5
- (1 job)
HELP DESK TECHNICIAN | TECHNICAL SUPPORT SPECIALIST Aspiring IT professional pursuing a career in IT with a focus on skill enhancement and exposure to a vast variety of Technological systems. Desires to use hands to resolve technical issues with computer/ laptop maintenance service, repair, operating systems and software, systems security, and hardware/ software.

Firewall
Google Docs
Operating Systems Development
Online Chat Support
Microsoft Office
Windows XP
Computer Network
Google Slides
Virus Removal
Google
Hardware Troubleshooting
Microsoft Active Directory
$40 hourly
- 0.0/5
- (1 job)
Are you tired of your ISP delivering you slow speeds ? Are you experiencing a weak wi-fi connection at home? Having problems with your companies network infrastructure and need extra assistance? Don't look any further! My name is Brenden Bass and I've been a network engineer for 5 years. My favorite thing about I.T is being able to troubleshoot and resolve problems for my customers. From home wi-fi, to enterprise-level integration, I'm a one stop shop for all your networking needs. If you are interested in talking about an issue you are experiencing, please send me a message or call me at 702-423-9862. Thank you and have a blessed day!

Firewall
Trunking
LAN Implementation
Wireless Communication
WiFi
SCADA
Cisco ASA
Cisco
Multiprotocol BGP
OSPF
Palo Alto Firewalls
VPN
Juniper
Aruba
Network Engineering
$15 hourly
- 0.0/5
- (0 jobs)
I am a dedicated and detail-oriented Computer Information Systems student at the University of Houston, with a passion for network security, data management, and software development. I am seeking freelance opportunities to apply my technical skills and build real-world experience, while helping clients with their IT and cybersecurity needs. What I Offer: Network Security & Administration: Knowledgeable in setting up and managing networks, as well as identifying and mitigating security risks using tools like Wireshark and Kali Linux. Software Development: Familiar with programming languages like C++, Python, and JavaScript for developing applications and web-based tools. Cybersecurity: Strong foundation in ethical hacking, data encryption, and securing IT infrastructures. Data Management: Skilled in using Microsoft Excel and MySQL for data analysis and maintaining databases with a focus on security and accuracy. I am highly motivated, a quick learner, and thrive in collaborative settings. My goal is to contribute my knowledge and grow as a professional, while delivering high-quality work that helps clients achieve their business goals. Let’s connect and discuss how I can help with your next project!

Firewall
Risk Management
Data Protection
VPN
Troubleshooting
Network Security
Cybersecurity Tool
Information Security
Compliance
System Administration
Network Engineering
Computing & Networking
Computer Network
Want to browse more freelancers?
Sign up