14h ago
USD 136000-184000/yr

IT Systems Engineer Principal with TS/SCI with Polygraph

Usa Va Springfieldlead
OtherIt Systems Engineer
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Quick Summary

Key Responsibilities

● Education: Bachelor of Arts/Bachelor of Science ● Experience: 8+ years of related experience ● Technical skills: Linux, Microsoft client- and server-based operating systems,

Requirements Summary

Skills:Complex Systems Design, IT Systems Design,

Technical Tools
OtherIt Systems Engineer
Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

None

Job Family:

IT Infrastructure and Operations

Requirements

~1 min read
Complex Systems Design, IT Systems Design, System of Systems Engineering
None
8 + years of related experience
Yes

Job Description:

SYSTEMS ENGINEER PRINCIPAL

Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer Principal 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 Systems Engineer Principal, the work you’ll do at GDIT will be impactful to the mission of customer.

  • Perform highly complex systems design, development, and integration from the start of a systems life cycle to the end.
  • Perform engineering fix of mission IT systems (Tier 3) function consists of complex problem solving and non-routine maintenance of MOD mission IT systems requiring system-specific expertise and research.
  • Maintain a configuration management database (CMDB) and manage the configuration of MOD mission IT software executables to environments.
  • Develop configuration changes to the MOD mission IT baseline that result from Incident or Problem resolutions.
  • Identify Enterprise software required by MOD mission IT systems to include which system the software is associated with and any other details required by the Enterprise Software Asset Management (ESAM) office.
  • Assess availability of IAVA patches, provide IAVA testing and recommendation of MOD mission IT baseline acceptance of system patches for integration.
  • Provide technical support for Enterprise Security Service (ESS) solutions required on MOD mission IT systems to include but not limited to: host-based security agent software, vulnerability scanning agent software, enterprise log management agent software, and enterprise configuration baseline management agent software. 
  • Perform necessary remediation efforts resultant of tasks of MOD mission IT systems and ensure timely reporting in client’s management systems.
  • Provide platform engineering support for Linux and Microsoft client- and server-based operating systems.
  • Provide network engineering support for Cisco and Juniper equipment.
  • Coordinate troubleshooting of MOD mission IT systems with the vendor when an issue arises with vendor-supported equipment (e.g. firmware patches).
  • Prepare, define, document, and maintain interface and compatibility requirements for new and existing mission IT systems, and aid the government in communicating these requirements to client’s Acquisition Offices for incorporation into future system requirements.
  • Oversee highly complex infrastructure including installing, configuring, testing, and maintaining operating systems, application software, and system management tools.
  • Perform continual maintenance and provides highly complex solutions for security, backup, and redundancy problems.
  • Maintain current knowledge of rapidly changing technology and work with management to evolve current processes.
  • Participates in special projects and performs additional duties as required. 

WHAT YOU’LL NEED TO SUCCEED

Bring your technology expertise and drive for innovation to GDIT. The Systems Engineer Principal must have:

● Education: Bachelor of Arts/Bachelor of Science

● Experience: 8+ years of related experience

● Technical skills: Linux, Microsoft client- and server-based operating systems, Cisco and Juniper

● Security clearance level: TS/SCI with Polygraph

● US citizenship required

● Role requirements: Onsite


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 $136,000 - $184,000. 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.

Scheduled Weekly Hours:

40

10-25%

Onsite

Work Location:

USA VA Springfield

Additional Work Locations:

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.

 

 


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.

 

 

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

Location & Eligibility

Where is the job
Usa Va Springfield
On-site at the office
Who can apply
Open to applicants worldwide

Listing Details

Posted
October 8, 2026
First seen
October 8, 2026
Last seen
October 8, 2026

Posting Health

Days active
-1
Repost count
0
Trust Level
56%
Scored at
October 8, 2026

Signal breakdown

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IT Systems Engineer Principal with TS/SCI with PolygraphUSD 136000-184000