Senior Network Administrator

Location: USA AZ Sierra Vista

Full Part/Time: Full time

Job Req: RQ228004

Regular

Top Secret/SCI

Top Secret/SCI

None

IT Infrastructure and Operations

Skills: Documentations, Enterprise Network, Network Configurations, Network Services, Technical Support

Certifications: None

Experience: 5 + years of related experience

US Citizenship

Required:

Yes

NETWORK ADMINISTRATOR SENIOR

Advance how our customers operate while you advance your career. Join GDIT as a Network Administrator Senior and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

• Act as Alternate Network Team Lead
• Ensure stability, security, and efficient operation of Army enterprise network environments within the NETCOM Global Management Team (GMT).
• Provide advanced administration, monitoring, configuration, and troubleshooting of critical network infrastructure for the Army Enterprise Network and JRSS environments.
• Operate effectively within a high-tempo 24/7/365 mission environment, supporting continuous operations.
• Lead high-impact incident response activities and coordinate restoration efforts.
• Maintain and secure boundary protection systems in accordance with DoW and Army cybersecurity standards.
• Collaborate with mission partners including DISA, RCCs, and RNECs/NECs.
• Manage routers, firewalls, load balancers, and related network services.
• Contribute to automation improvements that enhance operational efficiency.
• Maintain accurate technical documentation and ensure compliance with enterprise security mandates.
• Apply deep technical knowledge and strong diagnostic skills to support mission-critical systems.
• Mentor junior network administrators and support their technical development.
• Participate in engineering initiatives, enterprise planning sessions, and technical review activities.

Bring your technology expertise and drive for innovation to GDIT. The Network Administrator Senior must have:

Technical Training, Certification(s) or Degree

5+ years of related experience

1 day a week at Ft Huachuca, Sierra Vista, AZ. 4 days remote.

• Experience supporting DoWIN-Army or DoW enterprise networking environments
• Mastery of enterprise routing and switching (OSPF, BGP, VRRP/HSRP)
• Strong experience with Cisco, Juniper, Palo Alto, or other Army-utilized platforms
• Working knowledge of DISA STIGs, RMF, ACAS, and Army cybersecurity compliance
• DoW 8140 certification, such as;
  Security+, CASP, or SecurityX, or CCNA
• Networking certification such as; JNCIS, JNCIA, JNCIS-ENT, JNCIP, or CCNP required.

Top Secret/SCI (or TS with the ability to obtain SCI)

• Ability to support global maintenance windows and after-hours operational needs
• Ability to work onsite or hybrid depending on mission requirements
• Capability to operate effectively in a 24/7 mission-critical environment
• Strong troubleshooting, communication, and analytical skills

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $85,000 - $115,000. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

40

Less than 10%

Hybrid

USA AZ Sierra Vista

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT…