Senior Specialist, Systems Network Engineer

Job Title

Senior Specialist, Systems Network Engineer

L3

Harris Technologies

Herndon, Virginia (On‑Site)

9/80 regular (Every Other Friday Off)

The Systems Network Engineer will provide networking support to multiple environments including development, testing, and production. The position will require hands‑on experience installing, configuring, and maintaining routers, switches, VLANs, and firewalls for Layer 2 and Layer 3 devices.

• Impactful Work:
  Contribute to mission‑critical operations and make a real difference.
• Innovative Environment:
  Work with the latest technologies and be part of a forward‑thinking team.
• Career Growth:
  Opportunities for professional development and career advancement.
• Collaborative Culture:
  Engage with a supportive and collaborative team.

• Provide networking support to multiple environments including development, testing, and production.
• Troubleshoot and problem solve network issues related to switches, routers, and end‑points.
• Install, configure, and maintain multi‑function L2/L3 network devices using NETCONF for policy‑based switching and routing involving unicast and multicast transport methods.
• Identify opportunities for test automation and network observability using NETFLOW, Wireshark, or similar tools.
• Review existing network implementation and related documentation for improvement.
• Support technical working groups and develop contract‑related deliverable documentation (network diagrams, physical network topologies, VLAN logical segmentation, IP address plans, routing).
• Define test scenarios for verification of network device functionality and resiliency.
• Develop new network architectures based on operational requirements.
• Allow for 15% travel to remote sites.

• Bachelor’s degree and minimum of 6 years of prior relevant experience; graduate degree and minimum of 4 years of prior relevant experience; or in lieu of a degree, minimum of 10 years of prior related experience.
• Ability to obtain and maintain an active DoD Secret clearance.
• Minimum 3 years’ hands‑on experience with Siemens Ruggedcom network switches and ROX II operating system (preferred).

• Experience designing, deploying, testing, maintaining, and troubleshooting IP networks and related equipment, preferably within industrial control system (ICS) environments (SCADA/DCS).
• Experience supporting USG programs (preferably Navy) and developing contract‑related deliverable documentation.
• Knowledge of security concepts with exposure to FIPS standards and NIST 800 Special Publications.
• Knowledge of industrial control network protocols such as Ether Net/IP, Modbus/TCP, PROFINET, and protocol converters.
• Experience with planning test scenarios and writing test procedures for network equipment; familiarity with automated testing tools and scripting languages for network testing is a plus.
• Knowledge of Agile practices.

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Harris Technologies is a proud Equal Opportunity Employer committed to treating all employees and applicants with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender, gender identity, sexual orientation, marital status, veteran status, disability, or other characteristics protected by federal, state, or local laws.

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Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks where permitted by law. Please note many positions require security clearance. Security clearances may only be granted to U.S. citizens. Accepted conditional offers may be subject to government security investigation(s) and obligations to meet eligibility requirements for classified information access. By submitting your resume, you consent to L3

Harris sharing your resume with subsidiaries and affiliates for other positions. L3

Harris is an E‑Verify Employer.