Senior Network Administrator

About the role

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.

Responsibilities

• 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 DoDW 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.

Requirements

• Education: Technical Training, Certification(s) or Degree
• Experience: 5+ years of related experience
• Technical skills: 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, Networking certification such as; JNCIS, JNCIA, JNCIS-ENT, JNCIP, or CCNP required, Security clearance level: Top Secret/SCI (or TS with the ability to obtain SCI)

Qualifications

• 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

Skills

• Documentations
• Enterprise Network
• Network Configurations
• Network Services
• Technical Support

Benefits

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Social: An internal mobility team focused on helping you achieve your career goals
• Financial: 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

Pay

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.

Schedule

Scheduled Weekly Hours: 40

Travel Required: Less than 10%

Telecommuting Options: Hybrid Work Location: USA AZ Sierra Vista