Sr. Network Admin - PDA

General Dynamics Corporation; Fort Carson, Northern (CO, KY); Hybrid; USD 85,000 - 99,000; Full time

Job summary

GDIT is seeking a Network Administrator Senior to design, secure, and maintain resilient enterprise networks for federal and defense customers. You will lead complex designs across multi-enclave environments and collaborate with engineering, cybersecurity, and operations teams to ensure reliable communications.

The role requires a bachelor's degree, Secret clearance, IAT II 8570/8140 Security+ CE, and 3+ years of related experience.

Qualifications

• Bachelor's degree in computer science, IT, or related field or equivalent experience.
• IAT II 8570/8140 Baseline Certification Security+ CE.
• 3+ years of related experience.
• Experience designing and maintaining high-availability enterprise networks.
• Security clearance: Secret or higher.

Responsibilities

• Lead/Manage/Support complex enterprise network designs, implementations, and upgrades across multi-enclave environments.
• Collaborate with cross-functional engineering, cybersecurity, operations, and stakeholders to resolve technical challenges and strengthen interoperability.
• Drive network performance monitoring, routine maintenance and patching, Tier-II/Tier-III troubleshooting, and ensure compliance with federal cybersecurity mandates.
• Utilize advanced network management tools, routing and switching protocols, and firewalls to sustain deployment and security.

Skills

Local Area Network (LAN)

Network Configurations

Network Control

Routing and Switching

Education

Bachelor's degree in computer science or information technology

Tools

SolarWinds

Job description

Responsibilities for this Position

Location: USA CO Ft Carson

Full Part/Time: Full time

Job Req: RQ227771

Type of Requisition: Regular

Clearance Level Must Currently Possess: Secret

Clearance Level Must Be Able to Obtain: Secret

Public Trust/Other Required: None

Job Family: IT Infrastructure and Operations

Job Qualifications:

Skills: Local Area Network (LAN), Network Configurations, Network Control, Routing and Switching

Certifications: None

Experience: 5 + years of related experience

US Citizenship Required: Yes

Job Description:

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.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Network Administrator Senior, the work you'll do at GDIT will be impactful to the mission of federal and defense customers. You will play a crucial role in designing, securing, and maintaining resilient network architectures that enable uninterrupted communication and real-time data sharing.

Lead/Manage/Support manage complex enterprise network designs, implementations, and upgrades across multi-enclave environments to ensure modern, secure, and highly available IT capabilities for tactical and strategic operations.

Collaborate with cross-functional engineering, cybersecurity, operations, and military or civilian stakeholders to resolve complex technical challenges and strengthen interoperability.

Drive network performance monitoring, execute routine maintenance and patching, lead Tier-II and Tier-III troubleshooting efforts to resolve complex outages, and ensure strict infrastructure compliance with federal cybersecurity mandates.

Utilize advanced network management tools, routing and switching protocols, and firewalls to sustain deployment efficiency, strict security compliance, and overall infrastructure health.

WHAT YOU'LL NEED TO SUCCEED

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

Education: Must hold a bachelor's degree in computer science, Information Technology, or a related field, or possess equivalent years of experience in lieu of a degree.

Required Certification: IAT II 8570/8140 Baseline Certification Security+ CE

Experience: 3+ years of related experience

Technical skills: Must design and optimize high-availability enterprise networks using advanced protocols like OSPF and BGP; configure next-generation firewalls and secure VPNs to defend critical infrastructure against cyber threats; must leverage SolarWinds to automate configuration management, monitor performance, and rapidly resolve network issues.

Security clearance level: Must possess a current Secret Clearance or Higher

Role requirements: Familiarity with implementing Defense Information Systems Agency Security Technical Implementation Guides (DISA STIGs) and the Risk Management Framework (RMF) is highly desirable.

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

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

OWN YOUR OPPORTUNITY

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 $85,093 - $98,900. 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.

Scheduled Weekly Hours: 40

Travel Required: Less than 10%

Telecommuting Options: Onsite

Work Location: USA CO Ft Carson

Additional Work Locations:

Total Rewards at GDIT: 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 offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process: As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work: We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at gdit.com/tc .

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

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GDIT supports and secures some of the most complex government, defense, and intelligence projects across the country.