Senior Cyber Security Network Engineer

Job Summary:

The Senior Cyber Security Network Engineer is responsible for designing, implementing, and managing robust network and cybersecurity solutions that align with customer requirements, regulatory standards, and Department of Defense (DoD) objectives.

This includes applying the Risk Management Framework (RMF) to assess, select, and continuously monitor security controls; ensuring full integration of cybersecurity measures to achieve critical DoD authorizations such as ATC, ATO, and ATT.

The position oversees formal Security Test and Evaluation (ST&E) activities, conducts comprehensive security assessments, and communicates risk mitigation strategies in business terms.

Additional duties involve architecting and deploying network solutions in line with NIST, DISA STIGs, and Zero Trust principles; installing and configuring network equipment; managing vendors and procurement processes; and optimizing network performance, availability, and security through best practices and continuous monitoring.

Responsibilities and Tasks:


* Contribute to cybersecurity risk mitigation activities using the Risk Management Framework (RMF), including security categorization, control selection, implementation, assessment, and continuous monitoring.


* Design and architect network and cybersecurity solutions that align with customer requirements, system constraints, regulatory obligations, and mission objectives.


* Ensure cybersecurity controls are fully integrated into system designs to meet platform security objectives and Department of Defense (DoD) Authorizing Official requirements, including Authority to Connect (ATC), Authority to Operate (ATO), and Authority to Test (ATT).


* Participate in formal Security Test and Evaluation activities, including test planning, execution, results analysis, and preparation of required documentation.


* Conduct system and product security assessments, communicate risks in business terms, and recommend balanced, risk-informed mitigation strategies.


* Design, architect, and implement new network solutions following industry standards such as National Institute of Standards and Technology (NIST) guidelines, Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs), and Zero Trust Architecture principles.


* Install, configure, and support network equipment, including routers, proxy servers, switches, wide area network (WAN) accelerators, Domain Name System (DNS) services, and Dynamic Host Configuration Protocol (DHCP) services.


* Procure network equipment and manage subcontractors and vendors during deployment activities.


* Configure firewalls, routing, and switching in alignment with industry best practices, including network segmentation, micro segmentation, and least privilege design.


* Maximize network performance, availability, and security through continuous monitoring, capacity planning, and root cause troubleshooting.

Education, Expe...