Enterprise Network & Security Architect - Senior Security Clearance

Position: Enterprise Support Network & Security Architect - Senior with Security Clearance
Job Description Everforth ECS is seeking an Enterprise Support Network & Security Architect
- Senior to work in Fairfax, Virginia.

Please Note:

This position is contingent upon contract award. Position Summary ECS is seeking an Enterprise Support Network & Security Architect
- Senior to design and govern enterprise network and security architectures supporting ARNG operational and enterprise environments. This role is responsible for developing secure segmentation strategies, boundary protection designs, routing and switching standards, and secure integration patterns aligned with DoDIN and ARNG requirements. The Enterprise Support Network & Security Architect reviews infrastructure designs for scalability, resiliency, and cybersecurity compliance, ensuring that architectural decisions support operational resilience, secure interoperability, and mission continuity across the ARNG enterprise.

This role operates within Team ECS's architecture-driven modernization approach, which establishes "As-Is," "Transitional," and "To-Be" enterprise architectures aligned to DoDAF and the Army Unified Network Plan (AUNP) principles, enabling structured migration of legacy systems and ensuring enterprise interoperability across ARNG networks, applications, and data platforms. This position supports TOR subtask

C.5.4. Responsibilities
* Design and govern enterprise network and security architectures supporting ARNG operational and enterprise environments across classified and unclassified networks
* Develop secure segmentation strategies, boundary protection designs, routing and switching standards, and secure integration patterns aligned with DoDIN and ARNG requirements
* Review infrastructure designs for scalability, resiliency, and cybersecurity compliance, validating that proposed changes meet DoD cybersecurity policy and DoDIN operational directives
* Develop and maintain architecture documentation including secure network designs, boundary protection specifications, segmentation strategies, routing standards, and integration patterns
* Ensure enterprise architecture alignment with Zero Trust principles, Army Unified Network Plan (AUNP) 2.0 requirements, and DoDIN operational standards
* Provide architectural governance and technical oversight for integration of new services and capabilities into existing enterprise environments, ensuring operational resilience and secure interoperability
* Collaborate with network engineering, hosting, cybersecurity, identity services, and NOC teams to ensure architectural designs support integrated, resilient enterprise operations
* Evaluate emerging technologies and security solutions to support modernization planning, technical debt reduction, and capacity optimization across enterprise network and security infrastructure
* Support NEAT/CCB governance processes to ensure network and security architecture changes are reviewed, approved, and documented prior to implementation
* Support Configuration-as-Code (CaC) and automation initiatives to enhance architecture deployment, configuration management, and auditability
* Advise Government leadership on network and security architecture decisions impacting enterprise resilience, interoperability, and mission continuity
* Contribute to enterprise planning efforts related to ARNG initiatives such as A365/DoD
365, AESMP, C2C, AUDS-U/C, AGUN, and CBII, ensuring architectural alignment across modernization programs Required Skills

Required Qualifications
* Clearance:
Active Secret clearance required
* S. Citizenship required

* Education:

Master's degree or Ph.D. in Computer Science, Cybersecurity, Data Science, Information Systems, Information Technology, Software Engineering, or related discipline

* Experience:

Demonstrated experience designing and governing enterprise network and security architectures within DoD or Federal environments, including development of secure segmentation strategies, boundary protection designs, routing and switching standards, and secure integration patterns
* Experience reviewing infrastructure designs for scalability, resiliency, and cybersecurity compliance, ensuring alignment with DoDIN operational directives and DoD cybersecurity policy
* Proven ability to provide architectural governance and technical oversight for integration of new services into existing enterprise environments while maintaining operational resilience and mission continuity
* DoD 8140.03

Compliance:
DoD Cyber Workforce Framework (DCWF) Work Role
651 - Enterprise Architect at the Advanced proficiency level
* Certifications (one or more required): CISSO, CISSP-ISSAP, CISSP-ISSEP, GCIA, GCLD, GCSA, or GICSP Desired Skills Desired Qualifications
* Active Top Secret (TS) security clearance with eligibility for SCI
* ITIL 4 Foundation certification
* TOGAF or equivalent enterprise architecture framework certification
* CCNP Security, CCIE Security, or equivalent network security certification
* Experience designing and governing network and security…