Enterprise Network Security Architect

Mantech International Corporation
Miami, FL, United States
2 days ago
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Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
5 years minimum
Working hours
Regular working hours

Tech stack

Systems Engineering Cloud Computing Security Configuration Management Communications Protocols Cyber Security Computer Networks Network Topologies Interoperability Information Systems Security Architecture Professional Network Security Zero Trust Network Access Systems Integration
+7 more
Software Vulnerability Management Computer Networking Systems Firewalls (Computer Science) Togaf Information Technology DODAF Cisco

Job description

  • Designing, defining, and evaluating secure enterprise network architectures, perimeter defense systems, and zero-trust framework baselines.
  • Evaluating operational requirements and translating complex mission needs into technical network security architecture blueprints.
  • Collaborating with cross-functional technical teams, cybersecurity leaders, and network engineers to guide secure system design and deployment.
  • Assessing emerging network security technologies, cloud security tools, and legacy network systems to recommend modernization pathways.
  • Establishing engineering standards, network security baselines, and architectural governance frameworks across enterprise environments.
  • Maintaining system baselines, configuration management records, and complex technical network security diagrams.
  • Recommending and implementing continuous process improvements to enhance enterprise network resilience, interoperability, and security posture.

Requirements

  • Bachelor’s degree in Systems Engineering, Computer Science, Information Technology, or a related field with 7+ years of experience in network security architecture.
  • OR a master’s degree and 5+ or more years of relevant experience
  • OR a PhD and 3+ or more years of relevant experience
  • OR an associate’s degree and 9+ or more years of relevant experience
  • OR a high school diploma and 11+ or more years of relevant experience
  • Proven experience designing, integrating, and deploying complex enterprise network security infrastructure, firewalls, and boundary protection architectures.
  • Strong background in network security frameworks, architectural governance (DoDAF/TOGAF), and secure network protocol design.
  • Experience maintaining system baselines, configuration management controls, and technical architecture documentation.
  • Experience creating, maintaining, and communicating complex technical documentation and executive-level network topology diagrams.

Preferred Qualifications:

  • Relevant professional certifications such as Certified Information Systems Security Professional (CISSP), Information Systems Security Architecture Professional (CISSP-ISSAP), or Cisco Certified Design Expert (CCDE).
  • Prior experience supporting U.S. Military Command operations, Combatant Command environments, or Department of Defense enterprise technical environments.
  • Familiarity with DoD STIG implementation, zero-trust network principles, and automated vulnerability management platforms (ACAS).
  • Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in fast-paced operational environments.

Clearance Requirements:

  • Must hold a current/active top secret security clearance.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

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