Network Engineer (Sr.)

Sr. Network Engineer (Senior Network Architect / Lead Zero Trust Architect) to assess and modernize enterprise network infrastructure across five geographically distributed DoD sites. The candidate will lead network discovery, identify security and architectural gaps, and develop a future-state architecture aligned with the DoD Zero Trust Strategy, ZTRA, and NIST SP 800-207. The role requires expertise in enterprise networking, micro-segmentation, identity-aware access, and security architecture, with collaboration across cybersecurity, endpoint engineering, and Chrome Enterprise Premium (CEP) teams to enable secure, context-aware access. The candidate should be comfortable serving as the technical architecture lead while collaborating with specialized cybersecurity and Chrome Enterprise engineers responsible for implementing endpoint, browser, and application security controls. Quadrant is an affirmative action/equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, status as a protected veteran, or status as an individual with a disability. “Healthcare benefits are offered to all eligible employees according to compliance mandated by the Affordable Care Act”.

Preferred Professional certification in Zero Trust Architecture i.e., Certificate of Competence in Zero Trust (CCZT) or documented leadership on at least two multi-site Zero Trust assessment/implementation projects of comparable scope. At Least 10 years overall Network experience professional experience in enterprise network architecture, design, and engineering. Demonstrated experience designing and assessing complex, geographically distributed enterprise networks. Strong understanding of enterprise routing, switching, firewalls, VLANs, VPNs, and network segmentation. Experience developing physical and logical network architecture diagrams and technical design documentation. Knowledge of Zero Trust Architecture principles, including micro-segmentation, least-privilege access, identity-aware security, and encrypted transport i.e. expertise with the DoD Zero Trust Strategy, DoD ZTRA, and NIST SP 800-207. Experience conducting network assessments, identifying architecture gaps, and developing modernization recommendations tied with ability to assess network performance, latency, security dependencies, and implementation risks. Strong technical communication, documentation, and stakeholder coordination skills. Ability to work collaboratively with cybersecurity, identity management, cloud engineering, and endpoint management teams. Security+ and least one Network cert required: relevant industry certifications such as CCNP, CCIE, or equivalent advanced network/security credentials. BS degree preferred