Logo
Simpack

Senior Network Engineer – ExtraHop

Simpack, Oakton, Virginia, United States, 22124

Save Job

Join to apply for the

Senior Network Engineer – ExtraHop

role at

Simpack 6 days ago Be among the first 25 applicants Join to apply for the

Senior Network Engineer – ExtraHop

role at

Simpack Location: Oakton, VA & Arlington, VA Clearance: TS/SCI (Required or Eligible) Labor Category: Network Engineer – Senior Contract Type: DoD / Federal Position Overview

Location: Oakton, VA & Arlington, VA Clearance: TS/SCI (Required or Eligible) Labor Category: Network Engineer – Senior Contract Type: DoD / Federal Position Overview The Senior Network Engineer will provide advanced network engineering support within a DoD environment. This position requires expertise in packet-level analysis, anomaly detection, and secure network traffic monitoring. The candidate will analyze PCAPs, inspect packet headers, and identify deviations from expected traffic patterns to support mission objectives. The role involves monitoring syslog data, flow records, and network management protocols while ensuring compliance with security requirements.

Primary Responsibilities · Perform Deep Packet Inspection (DPI) and analyze PCAP files for malicious or abnormal network activity.

· Identify traffic anomalies including fragmented packets where fragmentation is not expected and unencrypted traffic that should be encrypted per policy.

· Inspect packet headers for protocol misuse, abnormal fields, or suspicious metadata.

· Monitor syslog traffic and network management protocols (e.g., SNMP) for health and security compliance.

· Analyze flow data (e.g., NetFlow, IPFIX, sFlow) to detect unusual communication patterns.

· Aggregate and correlate logs using Splunk or similar SIEM tools to support threat hunting and network performance assessments.

· Document findings and provide recommendations to strengthen network posture.

· Support network troubleshooting, performance tuning, and compliance checks in a classified environment.

Work Location & Schedule Primary Duty Location: Oakton, VA Secondary Location: Arlington, VA Work Schedule: Full-time, onsite, secure environment

Requirements

Required Skills & Experience

· Active TS/SCI clearance or TS/SCI eligibility

· Experienced Network Engineer or Network Security Analyst with demonstrated capability:

- PCAP analysis and packet-level troubleshooting

- Understanding of TCP/IP stack, routing, and switching fundamentals

- Flow analysis tools and log aggregation platforms (Splunk)

- Wireshark proficiency

· Familiarity with syslog protocols and secure network management practices

· Ability to identify plaintext traffic, unexpected fragmentation, and other anomalies

· Excellent oral and written communication skills for technical documentation and reporting

Preferred Qualifications

· Professional certifications such as CCNP, CCIE, CISSP, GCIA, GNFA, or equivalent

· Prior experience supporting DoD networks or other classified environments

· Knowledge of Zero Trust Architecture and NIST cybersecurity frameworks

Benefits

Full Benefits package that includes: 10 Days PTO 7 Days SL 11 Federal Holidays Health Insurance Dental Vision Short Term/Long Term Disability Life Insurance Seniority level

Seniority level Mid-Senior level Employment type

Employment type Full-time Job function

Job function Information Technology Industries Government Relations Services Referrals increase your chances of interviewing at Simpack by 2x Sign in to set job alerts for “Senior Network Engineer” roles.

Washington, DC $81,600.00-$136,000.00 2 weeks ago District of Columbia, United States 1 week ago Rockville, MD $66,500.00-$73,999.00 1 month ago Data Center Technician, Third Party Data Centers

Reston, VA $61,500.00-$86,000.00 2 days ago Washington, DC $88,000.00-$130,900.00 2 weeks ago Falls Church, VA $65.00-$75.00 2 weeks ago Germantown, MD $63,750.00-$86,250.00 4 days ago Washington, DC $115,779.00-$196,825.00 6 days ago Data Center Technician, Global Server Operations

Reston, VA $61,500.00-$86,000.00 5 days ago Data Center Technician, Global Server Operations

Reston, VA $73,500.00-$103,000.00 5 days ago Washington, DC $120,000.00-$154,000.00 19 hours ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

#J-18808-Ljbffr