Network Engineer; DOS

Clearance Requirement

• Must hold an active Secret security clearance prior to start.
• Must be able to obtain and maintain a Top Secret clearance.

• Perform lifecycle replacement and technology refresh activities for enterprise network infrastructure.
• Engineer, configure, test, and implement routers, switches, and associated network devices in accordance with approved engineering standards and security requirements.
• Develop and execute Engineering Implementation Plans (EIPs), migration plans, validation procedures, and rollback procedures.
• Support network modernization and hardware refresh initiatives across enterprise environments.
• Coordinate and execute maintenance windows, circuit migrations, and cutover activities with internal teams and customer stakeholders.
• Validate network device configurations for compliance with DISA STIGs and organizational security requirements.
• Perform configuration management, software upgrades, and hardware replacement activities.
• Analyze network designs and recommend improvements related to reliability, scalability, and maintainability.
• Create and maintain technical documentation, implementation procedures, diagrams, and as‑built documentation.
• Collaborate with architecture, cybersecurity, and operations teams to ensure successful transition and deployment activities.
• Support testing and validation of network connectivity, routing, switching, and security functionality during implementation activities.
• Participate in continuous process improvement initiatives and standardization efforts.
• Provide technical guidance and mentorship to junior engineers and implementation personnel.
• Support occasional after‑hours maintenance activities and scheduled implementation windows.

• Bachelor’s degree and 8+ years of related experience; additional years of experience may be considered in lieu of degree.
• DoD 8570 IAT Level II certification required prior to start (Security+ CE or equivalent).
• Advanced knowledge of enterprise routing and switching technologies.
• Experience implementing and supporting large‑scale enterprise network infrastructure.
• Hands‑on experience with routing protocols including BGP and OSPF.
• Experience with switching technologies including VLANs, STP, and Layer 2/Layer 3 network design.
• Strong understanding of IP networking, subnetting, and network troubleshooting methodologies.
• Experience performing network hardware refreshes, circuit migrations, and infrastructure modernization activities.
• Experience developing implementation plans, migration procedures, and technical documentation.
• Familiarity with DISA STIG compliance requirements and secure network configuration practices.
• Ability to coordinate and execute maintenance activities in a mission‑focused enterprise environment.
• Ability to travel up to 25%, including potential OCONUS travel.
• Willingness to support scheduled after‑hours maintenance windows as required.

• Previous experience supporting DISA or DoD enterprise network environments.
• Experience with Cisco, Juniper, Aruba, or Palo Alto network technologies.
• Relevant vendor certifications such as CCNP, JNCIP, Aruba ACP, or equivalent.
• Experience with automation, scripting, or infrastructure‑as‑code concepts.
• Familiarity with ITIL processes and change management practices.
• Experience supporting large‑scale network migration or modernization efforts.
• Active CISSP, CCNP, or equivalent advanced certification.