Senior Network Engineer

Senior Network Engineer – Arlington, VA. Join Chenega Military, Intelligence & Operations Support (MIOS) to support large‑scale government operations with cutting‑edge technology, delivering essential services that sustain national security and economic interests.

Responsibilities

• Design and troubleshoot complex network architectures and solutions.
• Use centralized network management tools to gather statistics, generate usage reports, and back up device configurations.
• Provide technical leadership on major network tasks and enterprise technology initiatives.
• Research and evaluate emerging network technologies, protocols, and applications for potential integration into the enterprise environment.
• Ensure seamless and secure connectivity across all enterprise endpoints.
• Analyze interoperability, integration, and deployment issues; optimize topology and site configurations.
• Apply advanced network design tools and techniques to develop efficient and secure architectures.
• Support mission‑critical operations, with occasional off‑duty work hours.
• Develop automation using tools such as Ansible, Python, Terraform, or Cisco DNA Center.
• Collaborate with security, systems, cloud, and DevOps teams to align infrastructure strategies.
• Coordinate with vendors and service providers for escalations, procurement, and support.
• Configure and manage security policies, NAT rules, decryption, and application‑based controls (App‑ID, User‑ID, Content‑ID).
• Monitor and analyze firewall logs, threat intelligence feeds, and traffic flows to proactively identify and mitigate risks.
• Perform other duties as assigned.

Qualifications

• Bachelor’s degree in network management or a related field (additional experience may substitute for a degree).
• 8+ years of professional experience in network engineering and next‑generation firewalls (NGFWs).
• Classified/air‑gapped network experience.
• IAT II clearance required.
• Palo Alto Network Security Professional certification preferred.
• Secret clearance with the ability to obtain TS/SCI.

Knowledge, Skills, and Abilities

• In‑depth understanding of network architecture design, including LAN, WAN, SDN, VPNs, and hybrid cloud environments.
• Experience with SD‑WAN technologies and solutions (a plus).
• Expertise in routing, switching, firewalls, load balancers, and intrusion detection/prevention systems.
• Advanced troubleshooting and problem‑solving across complex enterprise networks.
• Strong knowledge of TCP/IP, DNS, DHCP, BGP, OSPF, and other core networking protocols.
• Familiarity with classified/unclassified government network requirements, NIST, DISA STIGs, and other cybersecurity frameworks.
• Effective collaboration with cross‑functional teams, including security, systems engineering, and program management.
• Ability to lead enterprise‑scale network operations in a secure, mission‑critical environment.
• Adaptability to shifting priorities and leadership through change.
• Knowledge of SIEM and SOAR solutions (e.g., XSOAR, Swimlane, Splunk, Cortex XDR, QRadar).
• Understanding of cross‑functional tool connections and their network interactions.

Professional Development

Chenega MIOS offers a professional development plan that helps team members at every career level identify and use their strengths. Opportunities include on‑the‑job learning, formal development programs, and a variety of experiences to sharpen skills in a fast‑changing global business environment.

Benefits

Chenega MIOS provides a broad range of benefits aimed at supporting employee well‑being, flexibility, and personal growth, reflecting the company’s positive and supportive culture.

Pay

Estimated Salary: $144,800 – $180,000 per year.