Senior Network Engineer

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Oakton, VA

Are you ready to enhance your skills and build your career in a rapidly evolving business climate? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large‑scale government operations by leveraging cutting‑edge technology and take your career to the next level.

The Senior Network Engineer is a subject‑matter expert in network traffic analysis and packet capture (PCAP) interpretation. This role focuses on establishing traffic baselines, identifying anomalies, and supporting incident response through expert‑level traffic analysis. The ideal candidate possesses strong technical knowledge of networking protocols, deep packet inspection, and is familiar with enterprise monitoring and visibility tools such as Extra Hop, Solar Winds, and Splunk.

This role supports the enterprise’s proactive defense and performance monitoring capabilities.

• Analyze network traffic using PCAP data to identify abnormal patterns, anomalies, or security threats.
• Establish and maintain baseline network traffic profiles for normal behavior across different enclaves.
• Work with cybersecurity and IT operations teams to investigate incidents using packet‑level data.
• Collaborate with tool owners to ensure optimal configuration and visibility in Extra Hop, Solar Winds, and Splunk.
• Conduct protocol‑level analysis of TCP/IP, DNS, HTTP/S, SMTP, and encrypted tunnels (e.g., TLS, VPN) to identify misuse, threats, or performance issues.
• Develop traffic reports, summaries, and actionable insights for both technical and non‑technical stakeholders.
• Support tuning of alerts, dashboards, and data feeds that rely on network traffic sources.
• Provide mentorship and guidance to junior engineers and analysts on traffic analysis best practices.
• Assist in the development and documentation of network monitoring and troubleshooting procedures, including diagnosing MTU and packet fragmentation issues.
• Other duties as assigned.

• High school diploma or equivalent required.
• 12+ years of experience in enterprise network engineering, traffic analysis, or cybersecurity.
• Extensive experience in analyzing PCAP data using tools such as Wireshark, tcpdump, Zeek, Cisco products, or Extra Hop.
• Must hold a current DoD 8140 (or 8570) baseline certification at the IAT Level II or higher (e.g., CompTIA Security+).
• U.S. Citizen with Top Secret clearance with SCI eligibility.

• Deep understanding of network protocols, packet structures, and flow analysis.
• Proficiency in interpreting full packet captures for security, troubleshooting, and performance analysis.
• Familiarity with network detection and performance tools such as Extra Hop, Solar Winds, and Splunk.
• Experience with protocol dissection, filtering, and decoding in tools like Wireshark.
• Ability to correlate network behavior with system or application issues.
• Excellent documentation and communication skills to convey complex findings.
• Strong problem‑solving skills and situational awareness during live troubleshooting or incident response.

Chenega MIOS offers a broad range of benefits to support our team members’ health, growth, and work–life balance.

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.