Demo

Network Engineer (Enterprise Firewall Architect)

M1 Technology LLC
Herndon, VA Full Time
POSTED ON 4/6/2026
AVAILABLE BEFORE 10/1/2026
Clearance Requirement: TS/SCI with Polygraph

We are seeking a skilled Network Engineer with deep expertise in enterprise firewall architecture, design, and operations to join our technology-based program supporting a key government customer. The ideal candidate brings a proven track record of securing large-scale network environments using Cisco, Palo Alto, and Juniper platforms, combined with the technical depth to translate complex security requirements into resilient network solutions.

Key Responsibilities

  • Design, implement, and manage enterprise firewall solutions utilizing Cisco, Palo Alto, and Juniper network devices and associated management software
  • Perform configuration, maintenance, and troubleshooting of firewall policies, rules, and access control lists across multi-vendor environments
  • Monitor network traffic for potential security threats and proactively identify and remediate vulnerabilities
  • Collaborate with cross-functional teams to ensure network security standards align with mission and business objectives
  • Translate customer requirements into scalable enterprise network security solutions
  • Develop and maintain technical documentation, including designs, implementation plans, and operational runbooks
  • Stay current with industry trends and best practices in network security, firewall technologies, and threat intelligence
  • Provide technical guidance and mentorship to junior network engineers

Minimum Qualifications

  • Bachelor's or Master's degree in a relevant technical discipline preferred
  • Minimum 11 years of hands-on network engineering experience with a strong focus on firewall technologies
  • Demonstrated proficiency with Cisco and Palo Alto firewall platforms (Cisco FTD, Palo Alto Panorama)
  • In-depth knowledge of network protocols, TCP/IP stack, and OSI model
  • Strong understanding of network security principles, segmentation, and zero-trust architectures
  • Ability to work independently and collaboratively in a mission-driven, fast-paced environment
  • Excellent written and verbal communication skills

Preferred Qualifications

  • Experience with Juniper firewall platforms and SRX series devices
  • Cloud Service Provider and hybrid cloud experience (AWS, Azure, Oracle, Google Cloud)
  • Experience with a wide variety of network technologies and solution architectures
  • Broad knowledge of state-of-the-art systems engineering principles and network design concepts
  • Industry certifications: CCNA Security, CCNP Security, Palo Alto PCNSE, or equivalent

Tools & Technologies

  • Firewalls: Cisco FTD, Cisco ASA, Palo Alto (Panorama), Juniper SRX
  • Protocols: BGP, OSPF, EIGRP, ISIS, TCP/IP, TLS/SSL
  • Cloud: AWS, Azure, Oracle Cloud, Google Cloud (hybrid extension)
  • Management: Cisco Security Manager, Panorama, Junos Space
  • Methodologies: Zero Trust, defense-in-depth, network segmentation

Why Join Us?

  • Support critical national security infrastructure with direct mission impact
  • Work alongside top-tier network engineering talent in a collaborative, expert-level environment
  • Opportunities for career growth, advanced certifications, and continued professional development
  • Competitive compensation and a comprehensive benefits package

Salary.com Estimation for Network Engineer (Enterprise Firewall Architect) in Herndon, VA
$95,153 to $121,552
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Network Engineer (Enterprise Firewall Architect)?

Sign up to receive alerts about other jobs on the Network Engineer (Enterprise Firewall Architect) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$87,720 - $106,708
Income Estimation: 
$108,098 - $130,480
Income Estimation: 
$91,971 - $119,923
Income Estimation: 
$114,980 - $148,259
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at M1 Technology LLC

  • M1 Technology LLC Herndon, VA
  • We are seeking an experienced Software and Systems Development Engineer to support the design, development, deployment, and ongoing maintenance of a new Te... more
  • 14 Days Ago

  • M1 Technology LLC Chantilly, VA
  • We are seeking a Data Scientist to lead a team that delivers high-quality data science solutions to strengthen both offensive and defensive tradecraft miss... more
  • 2 Days Ago

  • M1 Technology LLC Chantilly, VA
  • We're seeking a Software Engineer to provide support to a Sponsor mobility program that supports the lifecycle of intelligence products. Clearance Requirem... more
  • 6 Days Ago

  • M1 Technology LLC Chantilly, VA
  • The Palantir Data Engineer leverages advanced Python skills within a small team to develop and implement data transformation pipelines in Palantir's enviro... more
  • 6 Days Ago


Not the job you're looking for? Here are some other Network Engineer (Enterprise Firewall Architect) jobs in the Herndon, VA area that may be a better fit.

  • Transaction Network Services (TNS) Washington, DC
  • An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join... more
  • 1 Month Ago

  • Applied Network Solutions Inc Chantilly, VA
  • Description Who we are: At Applied Network Solutions (ANS), we bring together some of the most curious minds in networking and cybersecurity. ANS was found... more
  • 15 Days Ago

AI Assistant is available now!

Feel free to start your new journey!