Principal Systems Engineer
$130.05k - $175.95kFull-time
GDIT
Responsibilities for this Position
Location: USA VA McLeanFull Part/Time: Full time
Job Req: RQ227592 Type of Requisition:
Regular Clearance Level Must Currently Possess:
Top Secret Clearance Level Must Be Able to Obtain:
Top Secret/SCI Public Trust/Other Required:
None Job Family:
IT Infrastructure and Operations Job Qualifications: Skills:
Linux Development, Linux Kernel, Networking, Systems Architecture
Certifications:
None
Experience:
8 + years of related experience
US Citizenship Required:
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 our customer's classified commercial cloud environment. You will play a crucial role in operating, securing, and optimizing a secure workstation enclave in a unique commercial cloud setting, ensuring secure and reliable access to mission-critical resources.
- Lead day-to-day engineering and operations of Red Hat and other Linux systems in a classified, air-gapped environment, including configuration, hardening, patching, and maintenance.
- Configure, patch, and monitor systems and network devices using tools such as Palo Alto firewalls, Cisco switches, Panorama, ClearPass, and related platforms, ensuring performance, integrity, connectivity, and backup/recovery capabilities.
- Collaborate with enclave, network, and security engineers, and vendors to troubleshoot issues, enhance the enclave's network and security posture, and manage security updates, licenses, and support tickets.
- Support vulnerability management and continuous monitoring, including reviewing scans, implementing patching and remediation, POA&M mitigation, and other corrective actions.
- Drive hardening and compliance efforts, including STIG review and implementation, to meet NIST and DoD requirements.
- Develop and maintain engineering documentation for designs, configurations, and operational procedures.
- Hands-on experience with Red Hat operating system
- Understanding of various Linux operating systems (e.g., Red Hat, Debian)
- Hands-on experience with operations and maintenance (O&M) of Palo Alto firewalls, Cisco switches, and applicable software including Panorama and ClearPass
- Security clearance level: Current and active Top Secret
- Onsite - Mclean, VA
- Must be DoD 8140 / 8570.01-M compliant (e.g., Security+ or equivalent)
40 Travel Required:
Less than 10% Telecommuting 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 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
PI286896986
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 our customer's classified commercial cloud environment. You will play a crucial role in operating, securing, and optimizing a secure workstation enclave in a unique commercial cloud setting, ensuring secure and reliable access to mission-critical resources.
- Lead day-to-day engineering and operations of Red Hat and other Linux systems in a classified, air-gapped environment, including configuration, hardening, patching, and maintenance.
- Configure, patch, and monitor systems and network devices using tools such as Palo Alto firewalls, Cisco switches, Panorama, ClearPass, and related platforms, ensuring performance, integrity, connectivity, and backup/recovery capabilities.
- Collaborate with enclave, network, and security engineers, and vendors to troubleshoot issues, enhance the enclave's network and security posture, and manage security updates, licenses, and support tickets.
- Support vulnerability management and continuous monitoring, including reviewing scans, implementing patching and remediation, POA&M mitigation, and other corrective actions.
- Drive hardening and compliance efforts, including STIG review and implementation, to meet NIST and DoD requirements.
- Develop and maintain engineering documentation for designs, configurations, and operational procedures.
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:
- Hands-on experience with Red Hat operating system
- Understanding of various Linux operating systems (e.g., Red Hat, Debian)
- Hands-on experience with operations and maintenance (O&M) of Palo Alto firewalls, Cisco switches, and applicable software including Panorama and ClearPass
- Security clearance level: Current and active Top Secret
- Onsite - Mclean, VA
- Must be DoD 8140 / 8570.01-M compliant (e.g., Security+ or equivalent)
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 $130,050 - $175,950. 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 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 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
PI286896986
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Principal Systems Engineer in McLean, VA vacancy
- ...choose MITRE - and make a difference with us.The Systems and Operations Department (L626) within MITRE’s Systems Engineering Division in the Center for Engineering and... ...Systems and Operations Department is seeking a Principal Space Systems of Systems Engineer to support complex...SuggestedInternshipLocal area
$206k - $284k
...Job Description Job Description STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience...SuggestedFull timeWork experience placementWork at officeLocal areaNight shift$120k - $165k
...Analytics is a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the... ...outcomes.Position Overview:Praescient Analytics is seeking a Principal Cyber Systems Engineer, SME to provide high-level technical expertise to...SuggestedFull timeWork at office$142.2k - $213.4k
...employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for... ...accommodate telecommute work. This role has the authority to make engineering project management decisions and recommendations that have an...SuggestedFull timeWork at officeRemote workRelocation packageShift work- Job TitleSenior Application and System Technologies (AST)/Principal Engineer (PE)LocationMcLean, VA 22102 US (Primary)CategoryResearch, Development, and EngineeringJob TypeFull-TimeCareer LevelStaffEducationMaster's DegreeTravelUp to 25%Security Clearance RequiredTop SecretJob...SuggestedInternship
$204k - $284k
...Principal Radar Systems EngineerWoburn, MASTR is focused on delivering National Defense capabilities by driving mission-focused strategies to... ...into users' hands and is seeking a Principal Radar Systems Engineer to support/lead the architecting, design, development, and...Full timeWork experience placementLocal areaNight shift- General Dynamics Information Technology seeks a Systems Engineer Sr Principal to advance the mission of a classified workstation enclave. You will help architect, engineer, and operate secure workstation services, ensuring integrity and performance in a high-security environment...
- HEO Robotics in Arlington, VA is seeking a Principal R&D Solutions Engineer to act as the primary technical authority for major US Government programs. You will architect and deliver bespoke solutions for national security stakeholders, serving as the technical bridge...
- ...with us to get a preview of the full benefits package. Saliense is now hiring a Senior Technical Consultant (Principal Network Systems Engineer) to join our team in support of our team at the Office of Naval Research (ONR) in Arlington, VA. Please note: This...Work at officeImmediate start3 days per week
- ...Job Description An aerospace client is seeking a full-time Systems Chief Engineer to lead integration across their satellite, payload, ground... ...~12+ years of systems engineering experience at the principal, lead, or chief-engineer level, with responsibility spanning...Full time
$185k - $225k
...Umbra is an American space technology company delivering advanced systems, from sensors to spacecraft, that empower customers worldwide... ...’s expertise in remote sensing and spacecraft operations to engineer platforms purpose-built for U.S. and allied defense and intelligence...Permanent employmentWork at officeLocal areaRemote workWorldwideFlexible hours$130k - $210k
Job DescriptionEverforth ECS is seeking a Principal Systems Engineer - Embedded Software Engineer to work onsite in Arlington, VA office. The successful candidate will have knowledge of all aspects of missile systems engineering in support of DoD missile systems programs...Work at office- ...Praescient Analytics is a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the... ....Position Overview:Praescient Analytics is seeking a Chief System Engineer, SME to provide high-level technical and engineering...Full timeContract workFor contractorsWork at office
$131.3k - $237.35k
Leidos has an exciting opportunity for a PrincipalElasticsearch Systems Engineer in our Intel Security Sector's Analysis Solutions Business... ...and make a difference in National Security! Job SummaryThe Principal Elasticsearch Systems Engineer role provides support across...Full timeWork experience placementImmediate startFlexible hours- ...sustainable future. For more information, please visit fluenceenergy.com.Job Description:ABOUT THE POSITIONThe Vice President, Systems Engineering serves as the executive technical authority for the Product Business Unit and is accountable for ensuring Fluence products...Full timeVisa sponsorshipWork visa
$131.3k - $237.35k
Leidos has an exciting opportunity a Principal Endpoint Security Systems Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Full timeImmediate startFlexible hours$130k - $215k
...Senior Principal Systems Engineer Location: Largo, FL, US, 33773 Burnsville, MN, US, 55337 Washington, DC, US, 20003 Frederick, MD, US, 21703 Job ID: 114761 The Leonardo DRS Naval Electronics business provides leading naval computing infrastructure, network and...Contract workWork experience placementLocal areaFlexible hours- ...Mayvin is currently seeking a Principal Systems Engineer to provide support to the Test & Evaluation (T&E) Division in the Department Homeland Security's Federal Emergency Management Agency (DHS FEMA). This individual will serve as a senior technical leader supporting...For contractors
- ...Location: Herndon, Virginia Type: Contract Job #3187 Principal Systems Engineer, Linux McLean, VA The Program is comprised of Linux (80%), Windows (20%), virtualization, storage, network, HW, and data center engineers that works as a team...Contract workWork experience placement
- ...wireless architecture which requires deep technical mastery of 3GPP System Architecture (SA5,SA6, and SA2) and OAM/EMS frameworks used to... ...Cross-functional collaboration that ensures internal engineering teams are aligned with emerging 6G technologies and protocol-level...Local areaFlexible hours
- ...connecting and securing critical operations across the globe, keeping our country safe and secure. Job Description SYSTEMS ENGINEER PRINCIPAL Advance how our customers operate while you advance your career. Join GDIT as a Systems Engineer Principal and...
- ...Automation team is a critical part of Salesforce's infrastructure engineering organization, responsible for coordinating and securing build... ...in restricted environments. We are looking for a Manager of Systems Engineering to serve as the key liaison between build...Full time
$135k - $216k
ResponsibilitiesThe Senior Manager, Systems Engineering provides leadership to a team of engineers and professional staff in developing, modifying, creating, and testing solutions to our client’s infrastructure related technical needs. This role is responsible for planning...Contract workShift work$181.9k - $246.1k
Senior Systems Engineering ManagerCompany:The Boeing CompanyBoeing Mission Systems (SMS) Experimental Systems Group (ESG) is seeking a highly skilled professional to serve as a Senior Systems Engineering Manager (Level L) to join our team in Herndon, VA or Seal Beach, CA...Permanent employmentFull timeVisa sponsorshipWork visaRelocation packageFlexible hoursShift work- ...Title: Principal System Engineer/Program Portfolio Manager Belong. Connect. Grow. with KBR! KBR’s National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities...Temporary workLocal areaRelocation packageFlexible hours
$150k - $225k
Job TitlePrincipal Electrical Systems Engineer - Electro-Optical SystemsLocationHerndon, VA - Herndon, VA 20171 US (Primary)Job DescriptionFibertek is seeking a Principal Electrical Systems Engineer to join our Herndon, VA team and lead the development of advanced electro...Immediate startRemote workFlexible hours$135k - $216k
...10+ years of cybersecurity experience with security architecture expertise.• Experience designing security solutions for DoD or IC systems.• Knowledge of RMF and ATO processes.• Understanding of NIST controls, DISA STIGs, and DoD directives.• Experience implementing Zero...Contract workShift work$135.6k - $202.8k
...Job Description Job Description Title: Manager, Field Systems Engineering Department: CEFD Last Modified: 8/6/2026 FLSA Status: Exempt Location: Remote - MD/DC/VA Level: M2 Range: $135,600 - $202,800 Company Overview Comtech Telecommunications...Work experience placementRemote work- ...Job Description Job Description Job Description: Senior Principal Cyber Systems Engineer (DevOps Engineer)The selected candidate will integrate a variety of software components in a secure container architecture working with cross functional teams to debug critical...
$104k - $166k
...Peraton is seeking a z/OS Systems Programming Manager in Herndon, Virginia to lead mainframe systems programming efforts for the Citizens Security team. This leadership role entails responsibilities such as managing software solutions, overseeing operations, and ensuring...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Principal Systems Engineer. Be the first to apply!
Related searches
- principal cloud engineer McLean, VA
- principal developer McLean, VA
- senior principal engineer McLean, VA
- hotel chief engineer McLean, VA
- senior civil engineer project manager McLean, VA
- senior chief engineer McLean, VA
- senior director engineering McLean, VA
- principal infrastructure engineer McLean, VA
- director software engineering McLean, VA
- principal network engineer McLean, VA



