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Salary
$106k – $144k per year
Location
In office (Alexandria)
Seniority
Senior · 5+ years exp
Visa
H-1B filings in 12 months: 21 · green card filings: 4
Employment
Full-Time

Confirmed on the employer's own hiring board on Oct 27, 2026. First seen by Alion on Oct 26, 2026. General Dynamics Information Technology scores A on the Alion truth index.

Overview
Company
Impact
Profile match
General Dynamics Information Technology, known as GDIT, is the technology services division of the defence contractor General Dynamics and one of the largest suppliers of IT to the United States federal government. It designs, builds and operates networks, cloud environments, cybersecurity and mission applications for defence, intelligence, homeland security and civilian agencies, work that requires a very large security-cleared workforce. The division roughly doubled in scale through the 2018 acquisition of CSRA, and has since concentrated on cloud migration, zero trust architecture and applying artificial intelligence inside accredited government environments.

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

None

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

MBI (T2)

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills:

Access Control (AC), Communication Network, Network Access Control (NAC), Networking, Networks

Certifications:

None

Experience:

5 + years of related experience

US Citizenship Required:

No

Job Description:

SENIOR NETWORK ENGINEER

Transform technology into opportunity as a Senior Network Engineer at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

MEANINGFUL WORK AND PERSONAL IMPACT

As a Senior Network Engineer, the work you’ll do at GDIT will be impactful to the mission of USPTO. You will play a crucial role in providing engineering support for the Network Access Control infrastructure supporting a wide range of wired and wireless authentication and authorization services.

  • Manage and implement network access policies using Cisco Secure Client and Microsoft native supplicants for both wired and wireless authentication.
  • Test and deploy posture assessment for endpoints to ensure compliance with security policies.
  • Troubleshoot and resolve network access issues related to 802.1X authentication and posture assessment.
  • Configure and manage network devices to enforce access control policies.
  • Work closely with the network and security teams to ensure seamless integration of network access control solutions.
  • Develop and maintain detailed documentation of configurations, processes, and procedures.
  • Provide training and knowledge transfer to internal teams as needed.
  • Stay up to date with the latest industry trends and technologies related to network access control and security.

WHAT YOU’LL NEED TO SUCCEED

Bring your engineering expertise along with a drive for innovation to GDIT. The Senior Network Engineer must have:

  • Bachelor’s degree in computer science, Information Technology, or a related field.
  • Minimum of 5 years of experience in network engineering and security, with a focus on network access control.
  • Expertise in configuring and managing Cisco Identity Services Engine (ISE).
  • Proficiency in using Cisco Secure Client and Microsoft native supplicants for 802.1X authentication.
  • Experience with both wired and wireless network authentication and posture assessment.
  • Strong understanding of network security principles and best practices.
  • Excellent troubleshooting and problem-solving skills.
  • Strong communication and documentation skills.
  • Relevant certifications (e.g., CCNP, CCIE, JNCIP, JNCIE or other Cisco and Juniper security certifications) are preferred

***Public Trusr required.

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
  • Flexibility: Flexible work week to own your priorities at work and at home
  • 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 $106,250 - $143,750. 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:

None

Telecommuting Options:

Hybrid

Work Location:

USA VA Alexandria

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.

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