Enterprise Network Security Architect

ManTech; Florida; On-site; USD 150,000 - 190,000; Full time

Job summary

ManTech seeks a motivated Enterprise Network Security Architect to join our team in Doral, FL. The role focuses on designing secure enterprise network architectures, implementing zero-trust baselines, and guiding deployments with cross-functional teams.

Required qualifications include 7+ years in network security architecture or an equivalent path, with DoDAF/TOGAF governance experience and a TS clearance. Notable preferred credentials include CISSP/CCDE. On-site duties in Doral, FL are expected.

Qualifications

• 7+ years of experience in network security architecture.
• Experience with secure enterprise network infrastructure.
• Ability to produce executive-level diagrams and documentation.

Responsibilities

• Design, define, and evaluate secure enterprise network architectures and zero-trust baselines.
• Evaluate operational requirements and translate mission needs into technical blueprints.
• Collaborate with cross-functional teams, cybersecurity leaders, and network engineers to guide secure design and deployment.
• Assess emerging network security technologies, cloud security tools, and legacy systems for modernization pathways.
• Establish engineering standards, baselines, and architectural governance across enterprise environments.
• Maintain system baselines, configuration management records, and network diagrams.
• Recommend and implement continuous process improvements to enhance security posture.

Skills

Network security architecture

DoDAF/TOGAF

Executive diagrams

Education

Bachelor's degree in Systems Engineering/CS/IT

Tools

ACAS

Firewalls

Job description

MANTECH seeks a motivated, career and customer-oriented Enterprise Network Security Architect to join our team in Doral, FL.

Responsibilities include but are not limited to:

• 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.

Minimum Qualifications:

• 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.

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [e-mail] and provide your name and contact information.