Network Engineer - TS/SCI with Polygraph

General Dynamics IT; McLean (VA); On-site; USD 122,000 - 165,000; Full time

Benefits offered by this job

401K with company match

Comprehensive health and wellness

Internal mobility team

Paid education and certifications

Cutting-edge technology access

Paid vacation and holidays

Job summary

General Dynamics IT in McLean, VA seeks a Network Engineer Principal to transform technology for mission-critical government projects. You will help shape engineering, design, and implementation across complex IT infrastructures on customer sites.

The role requires TS/SCI with Polygraph clearance, 8+ years of experience, and hands-on work with server, network, and security components. Competitive benefits and career growth opportunities are offered.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related technical discipline.
• 8+ years of related experience (US Citizenship required).
• Clearance: TS/SCI with Polygraph required.

Responsibilities

• Plan, design, develop, test, and deploy IT solutions within the Sponsor's mission.
• Research and analyze vendor products to determine the feasibility of the design or application.
• Perform desktop, server, and network hardware and software installations, maintenance, and upgrades.
• Provide asset management for software licenses and hardware inventory.
• Perform Accreditation and Authorization (A&A) duties related to security findings.
• Develop and derive system requirements, system designs, and prototyping.

Skills

Hardware Installations

Software Installations

System Designs

Education

Bachelor's degree in Computer Science, Engineering, or related technical discipline

Job description

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

None

Public Trust/Other Required:

None

Job Family:

IT Infrastructure and Operations

Job Qualifications:

Skills: Hardware Installations, Software Installations, System Designs

Certifications: None Experience: 8 + years of related experience US Citizenship Required: Yes

Job Description:

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

REQUIRED SKILLS:

• Plan, design, develop, test, and deploy IT solutions within the Sponsor's mission.
• Research and analyze vendor products, such as COTS and GOTS components, to determine the feasibility of the design or application applied within the Sponsor's mission.
• Perform desktop, server, and network hardware and software installations, maintenance, and upgrades within the Sponsor's mission.
• Provide asset management for software licenses and hardware inventory, within the Sponsor's mission.
• Perform Accreditation and Authorization (A&A) duties in relation to scanning, preparing the necessary documentation, and performing and engineering mitigations for security findings within the Sponsor's mission.
• Develop and derive system requirements, system designs, product prototyping and proof of concept.
• Support system integration and implementation.
• Perform testing and validation for infrastructure components, applications, and end-to-end systems within the Sponsor's mission.

Required skills and demonstrated experience

• Demonstrated experience supporting Microsoft Server 2021/2016, System Center 2012/2016, Windows 10, Domino 9, and Splunk.
• Demonstrated experience supporting Cisco networking and encryption, network architecture, AWS architecture, and system design.
• Demonstrated experience supporting Nutanix hardware, HP server and workstation hardware.
• Demonstrated experience and understanding of ICD 503 and 705.

HIGHLY DESIRED SKILLS AND DEMONSTRATED EXPERIENCE:

• Demonstrated experience planning, designing, developing, testing, and deploying IT solutions within the Sponsor's mission areas.
• Demonstrated experience providing asset management for hardware inventory or software licenses.
• Demonstrated experience researching or analyzing vendor products to determine the feasibility of design or implementation on networks.
• Demonstrated experience performing testing and validation for infrastructure components, applications, and end-to-end systems within the Sponsor's mission areas.

WHAT YOU'LL NEED TO SUCCEED:

• Education: Bachelor's degree in Computer Science, Engineering, or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.
• Experience: 8+ years
• Clearance: TS/SCI with Polygraph
• Location: McLean, VA (On Customer Site)
• US Citizenship Required

GDIT IS YOUR PLACE:

• 401K with company match
• Comprehensive health and wellness packages
• Internal mobility team dedicated to helping you own your career
• Professional growth opportunities including paid education and certifications
• Cutting-edge technology you can learn from
• Rest and recharge with paid vacation and holidays

#OpportunityOwned

#GDITCareers

#WeAreGDIT

#JET

#VA_2026Alumni

#GDITEnhanced2026

The likely salary range for this position is $122,275 - $165,430. 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%

T elecommuting Options: Onsite

Work Location: USA VA McLean

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 verificat