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Senior Network Administrator

Job in Alexandria, Fairfax County, Virginia, 22350, USA
Listing for: NetImpact Strategies
Full Time position
Listed on 2025-12-01
Job specializations:
  • IT/Tech
    Cybersecurity, Network Engineer
Job Description & How to Apply Below
Job Description

Net Impact Strategies is seeking an experienced Senior Network Administrator to manage and maintain the agency's enterprise network infrastructure. You will oversee deployment, configuration, and support of Cisco routers, switches, Palo Alto firewalls, and cloud networking systems to ensure optimal performance, security, and scalability. In this key role, you will mentor junior staff, lead high-impact network initiatives, and deliver innovative solutions aligned with organizational goals.

Key Responsibilities

  • Lead installation, configuration, and maintenance of Cisco network devices (routers, switches) and Palo Alto firewalls
  • Monitor and optimize network performance to ensure high availability and efficient resource usage
  • Diagnose and resolve complex network issues including connectivity, security, and performance bottlenecks
  • Apply patches, updates, and security configurations to network devices to maintain a secure environment
  • Maintain comprehensive documentation of network configurations, procedures, and policies
  • Collaborate with IT teams to integrate network solutions with systems and applications
  • Provide guidance and mentorship to junior network administrators and IT staff
  • Architect network infrastructure, including secure baseline configurations, implementation plans, and service deployments
  • Lead troubleshooting efforts for Layer 2/3, wireless, VoIP, data center, and SDN Research emerging network technologies and assess their applicability and value to the organization
  • Perform hardware installations and configuration support in on-prem data center environments
Qualifications

Required Qualifications

  • Bachelor’s degree in Computer Science, Information Systems, Engineering, or related field
  • CCIE certification, or at least 10 years of experience in LAN/WAN, wireless, VoIP, data center, SDN administration, engineering, and architecture
  • Proven expertise with Cisco routers, switches, firewalls, and network protocols (e.g., BGP, OSPF, VLANs)
  • Experience managing Palo Alto firewall configurations and security policies
  • Skilled in diagnosing and resolving complex network security, connectivity, and performance issues
  • Strong documentation and analytical skills, with ability to architect and implement enterprise solutions

Preferred Qualifications

  • Experience with cloud networking (AWS, Azure) and hybrid architecture
  • Familiarity with network monitoring tools (e.g., Solar Winds, Cisco DNA Center)
  • Certifications such as CCNP or cloud‑related network certifications
  • Proven history of mentoring staff and leading complex network initiatives
About Us

Perks of working at Net Impact Strategies

  • Your health comes first – we offer comprehensive medical, dental, & vision insurance that starts the first of the month after you join the team
  • Invest in your future – 401(k) Plan – Immediately vested employer contributions; no matching required
  • Work hard, play hard – we offer a generous Paid Time Off (PTO) policy, one (1) additional day of paid wellness leave per calendar year, and observe ten (10) federal holidays
  • Pawsitively pawesome – Pet Insurance (because our little critters are part of our families, too!)
  • Invest in your education – Tuition reimbursement, internal training programs, & company-sponsored industry certifications!
  • Be part of a dynamic and collaborative work environment recently ranked by The Washington Post as a Top Work Place in 2019, , 2023, & 2024!
  • Have fun and celebrate and give back – Team building activities, community volunteering, quarterly HQ days, wellness events, happy hours, family fun events, and more!

ABOUT US

Net Impact Strategies Inc. (Net Impact) has been a Trusted Advisor driving impact through digital transformation for the Federal Government for over a decade. We solve complex problems with innovation and agility to create meaningful, transformative, and enduring change. As Trusted Advisors, Net Impact professionals partner with customer agencies to deliver solutions that empower them to not only meet their missions but also realize their strategic vision through agile, outcome-focused solutions addressing both strategic and tactical requirements.

We design and implement comprehensive, tailored…

Position Requirements
10+ Years work experience
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