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Systems​/Network Engineer

Job in Rockville, Montgomery County, Maryland, 20849, USA
Listing for: Praxis Engineering
Full Time position
Listed on 2026-07-03
Job specializations:
  • IT/Tech
    Systems Engineer, Cybersecurity, Network Engineer
Salary/Wage Range or Industry Benchmark: 148750 - 201250 USD Yearly USD 148750.00 201250.00 YEAR
Job Description & How to Apply Below

SYSTEMS/NETWORK ENGINEER SR PRINCIPAL

Seasoned Network Engineer with over 20 years of hands‑on experience, preferably in an Intelligence Community environment. Experience with Cisco switches, routers and firewalls (including the Cisco 9300 series), Dell and other servers, network laptops, and security appliances such as Palo Alto and HAIPE.

Responsibilities
  • Network security hardening experience
  • Specific knowledge of Cisco switches, routers and firewalls to include the Cisco 9300 series switches
  • Demonstrated ability to design and develop rack configuration drawings and network diagrams
  • Expertise and knowledge of switches, routers, firewalls, security appliances and architectures of network‑as‑a‑service
  • Network security and network hardening experience in DoD environments
  • Support for SSP development
  • Network Troubleshooting
    • Evaluation of message receiving functions
    • Assessment of Acks and Nacks
    • Ability to understand specific functions
    • Drawing and configuration of racks
    • Assess if network is configured correctly
    • Review firewall traffic (use of Packet Tools and Tripwire)
    • Tools:
      Wireshark and others
    • Ability to determine which side of the network problem is from a connection standpoint
  • Network Requirements Evaluation and developing network diagrams in Visio, PowerPoint and Excel
  • Physical Network Construction (installation of switches, fiber, cables, security devices and more) on SERD for SCS/ESB
  • Assistance to tamper and concealment group in assessing needs for design and deployed network
  • HAIPE MTU assessment and review
  • Fiber installation and removal
  • Experience with JIRA, Confluence and similar tools
Qualifications
  • High School Diploma
  • 20+ years of related experience
  • Strong network experience and technical skills
  • Active TS/SCI with Polygraph required
  • US citizenship required

Candidate must interact well as an individual contributor or member of a focused team.

Benefits & Compensation

Salary range: $148,750 - $201,250 (subject to experience, location and contractual requirements).

42-Day Earned Time Off (Eto) annually, 401k with employer match, comprehensive health, dental and vision plans, paid leave, and additional disability and life cover.

Work Conditions

Scheduled weekly hours: 40

Travel required:

None
Telecommuting options:
Onsite
Primary location: USA MD Annapolis Junction

Clearance & Eligibility

Clearance level currently possessed:
Top Secret SCI + Polygraph
Clearance level to obtain:
None

Equal Opportunity Statement

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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