Senior Network Engineer

Senior Network Engineer

Location: Arlington, VA

Chenega Military, Intelligence & Operations Support (MIOS) is looking for a Senior Network Engineer to support large‑scale government operations by leveraging cutting‑edge technology. Securi Gence is seeking a talented senior network engineer to help contribute to our success and solve problems with Innovation through Intelligence.

• 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 the expectation of occasional off‑duty work hours.
• Develop automation using tools such as Ansible, Python, Terraform, or Cisco DNA Center.
• Collaborate with security, systems, cloud, and Dev Ops 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-, User-, Content-).
• Monitor and analyze firewall logs, threat intelligence feeds, and traffic flows to proactively identify and mitigate risks.

• Bachelor's degree in Network Management or related field.
• 8+ years of professional experience in network engineering and NGFWs.
• Cisco Certified Network Professional (CCNP).
• Palo Alto Network Security Professional.
• DOD Top Secret clearance with SCI eligibility.
• DOD IAT Level III Certification.
• Classified/Air‑gapped network experience.

• In‑depth understanding of network architecture design, including LAN, WAN, SDN, VPNs, and hybrid cloud environments. Experience with SD‑WAN technologies and solutions is 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.
• Knowledge of 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.
• Lead enterprise‑scale network operations in a secure, mission‑critical environment.
• Ability to adapt to shifting priorities and lead through change.
• Familiarity with SIEM and SOAR solutions (XSOAR, Swimlane, Splunk, Cortex XDR, QRadar, etc.).
• Familiarity with cross‑functional tool connections and how they interact with each other over the network.

Chenega MIOS prioritizes professional development at every level, offering on‑the‑job learning, formal development programs, and numerous growth opportunities to sharpen skills in a fast‑changing business world.

Chenega MIOS offers a broad range of benefits to its employees.

Mid‑Senior level

Full‑time

Information Technology

Software Development

Chenega Corporation and family of companies is an EOE. Equal Opportunity Employer/Veterans/Disabled. Native preference under PL 93‑638. We participate in the E‑Verify Employment Verification Program.