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Senior Network Administrator

Saalex
Lexington Park, United Statesfull_timeVerifiedPosted 7 Oct 2025
💰 $148,000/yr($129,000/yr$148,000/yr)

About the role

Greenfield Engineering, a Saalex Company is seeking a skilled Senior Network Administrator to support the Presidential Helicopter Software Support Activity. This role involves configuring and maintaining complex network environments, supporting mission-critical avionics systems, and ensuring the integrity and availability of network and server resources.

Position Type: Full-Time

Salary: $129k-$148k annually (depending upon experience)

Work Location: Onsite.

Essential Functions

  • Configure and maintain Cisco equipment, Voice over IP systems, and virtual server environments.
  • Support and manage unique avionics systems for mission-critical operations.
  • Install, configure, and maintain LANs, data communications networks, operating systems, and physical/virtual servers.
  • Monitor systems and verify the integrity and availability of hardware, network, and server resources.
  • Review system/application logs and ensure completion of scheduled jobs, including backups.
  • Analyze resource consumption and manage user access controls.
  • Install and upgrade software; maintain software licenses.
  • Lead network emulation/virtualization efforts and coordinate between hardware and software systems.
  • Mentor junior staff and contribute to technical strategy.
  • Perform other duties as assigned or required.

Requirements

Required:

  • Advanced knowledge of routing, switching, firewalls, and intrusion detection/prevention technologies.
  • Minimum 7+ years of experience in IP networking design and architecture.
  • Extensive experience with virtual IOS environments.
  • Strong leadership, troubleshooting, and documentation skills.
  • Proven ability to work independently and collaboratively in a high-security environment.

Desired:

  • Experience with Cisco Call Manager CUCM, Cisco Meeting Server, desired.
  •  Cisco CCNA Certification, or Cisco Certified Network Professional (CCNP) Certification is desired.
  • Experience with avionics systems or mission-critical military environments.
  • Familiarity with secure communications infrastructure and tactical systems.
  • Prior experience supporting classified programs or DoD networks.

Education:

Candidates must meet ONE of the following:

Option 1: Degree Path

  • Bachelor’s degree from an accredited institution in one of the following fields:
    • Information Technology
    • Cybersecurity
    • Computer Science
    • Information Systems
    • Data Science
    • Software Engineering

Option 2: Military Training Path

  • Completion of one or more of the following military training courses:
    • NEC C26A AN/SSQ-137 Ship’s Signal Exploitation Equipment (SSEE) Maintenance Technician
    • NEC C27A Submarine Carry-on Equipment Technician
    • NEC H08A Advanced Network Analyst
    • NEC T02A AN/BYG-1 (V) TI04 Combat Control Maintenance Technician
    • NEC T09A AN/BYG-1 (V)9 TI-10 Combat Control Maintenance Technician
    • NEC T10A AN/BYG-1 (V) TI-12/14 Maintainer
    • NEC V60A AEGIS Weapon System MK-7 (BL-7.X) Technician/AEGIS Computer Network Technician (BL-7.X) Supervisor
    • NEC V64A AEGIS Weapons System MK-4 Mod 1 (CR2) Technician/AEGIS Computer Network Technician Supervisor
    • NEC V68A AEGIS Weapon System (AWS) Technician Baseline 9A AEGIS Computer Network Technician Supervisor
    • NEC V69A AEGIS Computer Network Technician BL9

Option 3: Certification Path

  • Possession of one or more of the following certifications:
    • Certified Cloud Security Professional (CCSP)
    • Cisco Certified Network Professional (CCNP) Security
    • CompTIA SecurityX (formerly CASP+)
    • Federal IT Security Professional-Operator-NG (FITSP-O)
    • GIAC Foundational Cybersecurity Technologies (GFACT)
    • GIAC Security Essentials Certification (GSEC)

Security Clearance:

Active Top Secret clearance required. Must be eligible to obtain a Yankee White clearance. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

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Company

Saalex

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