Master Network Specialist (INS Technical Lead)

**Contingent on contract award** First Division Consulting is seeking a Master Network Specialist (INS Technical Lead) to support the United States Marine Corps Cyberspace Operations Group (MCCOG) in the technical, engineering, operations, maintenance, and management of the Marine Corps Enterprise Network (MCEN) in Quantico, VA. The MCEN supports over 200,000 users across 30+ bases and global deployments, integrating advanced security boundaries, virtual infrastructure, and messaging environments. This role is critical to ensuring the agility, security, and survivability of the Marine Corps’ global network operations. Key Responsibilities: Lead and mentor a team of senior network technicians in a Department of Defense (DoD) environment, providing technical direction and oversight for Tier II and Tier III operations. Oversee the configuration, integration, and management of firewalls, routers, switches, VPNs, DNS, and Linux systems within NIPRNET and SIPRNET boundaries. Manage and maintain enterprise virtual server infrastructure, storage area networks, and messaging environments across more than 5,000 physical and virtual systems. Ensure network operations meet stringent DoD security and availability standards, supporting both distributed operations and enterprise business needs. Troubleshoot and resolve complex network issues, including WAN optimization, routing and switching, and firewall management. Coordinate with MCCOG leadership to analyze requirements, define technical solutions, and implement best practices for network defense and resilience. Conduct security audits, supervise system modifications, and ensure compliance with DoD 8570.01M and other relevant policies. Develop and maintain technical documentation, network diagrams, and operational procedures. Participate in incident response, escalation management, and after-action reviews to continuously improve network defense posture. Provide training and technical guidance to team members, fostering a culture of continuous learning and technical excellence. Requirements Minimum of five (5) years’ experience leading senior technicians in a DoD network environment, specifically supporting Tier II – Tier III DNS, Linux, firewalls, WAN optimization, and routing/switching. IAT Level III certification (per DoD 8570.01M requirements). Active TS/SCI security clearance. ITIL v4 Foundation Certification. STIG hardening, Ansible, Tenable experience. Demonstrated expertise in managing large-scale, mission-critical networks with a focus on security, redundancy, and high availability. Strong knowledge of DoD network protocols, security standards, and operational requirements. Preferred Skills: Experience with enterprise virtual server environments and storage area networks. Familiarity with Marine Corps network operations and MCCOG procedures. Excellent communication, leadership, and documentation skills. Ability to work collaboratively in high-pressure, mission-critical environments. Physical Requirements: Regularly required to stand, sit, talk, hear, reach, stoop, kneel, and use hands and fingers to operate a computer, telephone, and keyboard. Specific vision abilities required include close vision due to computer work. Light to moderate lifting may be required. Regular, predictable attendance is required, including quarter-driven hours as business demands dictate. Work Environment: Moderate noise (e.g., business office with computers, phones, and printers, light traffic). Ability to work in a confined area. Ability to sit at a computer terminal for an extended period. Benefits Medical, dental, vision, life insurance, STD, LTD, holidays, PTO and 401(k) plan with company match. First Division Consulting is an Equal Opportunity Employer.  All employment decisions are based on merit, qualifications, skills, and abilities. All fully qualified applicants will receive equal consideration for employment in accordance with all applicable federal, state, and/or local laws prohibiting discrimination by protected classes.