Senior Network Administrator

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.

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.