Systems Engineer III

Eliassen Group

Description
On-site in Fort Belvoir, VA
Our client seeks a Systems Engineer III to integrate enterprise networking, data center virtualization, and cyber compliance within defense signal and communications environments. The role will plan and support administration, hardening, and troubleshooting of multi-enclave IP networks (ICAN/AGUN/GSN), virtualized compute clusters, and storage infrastructure aligned to DoW and DISA security standards. The engineer will communicate complex technical challenges, modernization plans, and risk postures through decision-quality briefings and documentation for the military chain of command. The position will link hands-on technical operations with senior leadership to keep mission-critical communications solutions secure, resilient, and aligned with operational objectives.
Due to federal security clearance requirements, applicant must be a United States Citizen with an active Secret clearance. This is a contract to hire opportunity. Applicants must be willing and able to work on a w2 basis and convert to FTE following contract duration. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $65.00 to $80.00/hr. w2
Responsibilities
Plan, administer, harden, and troubleshoot multi-enclave IP networks across ICAN, AGUN, and GSN.
Support virtualized compute clusters and storage infrastructure in accordance with DoW and DISA security standards.
Integrate enterprise networking, data center virtualization, and cyber compliance within defense communications environments.
Develop clear, decision-quality briefings and documentation for the military chain of command.
Serve as the link between technical operations and senior leadership to ensure secure and resilient communications solutions.
Experience Requirements
Minimum six years of network systems engineering experience.
Demonstrated experience with multi-enclave networks, virtualization platforms, and storage systems.
Familiarity with DoW and DISA cybersecurity standards and compliance practices.
Ability to communicate complex technical topics clearly to diverse stakeholders.
Education Requirements
Bachelor’s degree in engineering, testing, or related field. A BS may be substituted with an additional seven years of related network systems engineering experience.
Active Secret clearance or higher.

Apply

Vacancy posted 2 days ago

Similar jobs that could be interesting for youBased on the Systems Engineer III in Fort Belvoir, VA vacancy

Systems Engineer III
...Systems Engineer III Fort Belvoir, VA Type: Contract-to-Hire Category: Engineer Industry: Government Standard Hours: Open Reference ID: JN -092026-108804 Date Posted: 09/28/2026 Shortcut: Description Recommended Jobs Description:...
Suggested
Hourly pay
Contract work
Local area
Eliassen Group
Fort Belvoir, VA
4 days ago
Systems Engineer III
...Title: Systems Engineer III Location: Alexandria, VA Clearance: TS/SCI with the ability to obtain and maintain a CI polygraph Description: Invictus, a Red River company, delivers technology and services supporting government and national security...
Suggested
Invictus International
Alexandria, VA
3 days ago
Senior Systems Engineer
$113.2k - $237.8k
Job Title: Senior Systems EngineerJob Category: EngineeringTime Type: Full timeMinimum Clearance... ...:CACI is seeking a Senior Systems Engineer to support an Army Product Manager (PM) on... ...experience supporting Army programs ACAT III and above. -What You Can Expect: A culture...
Suggested
Contract work
For contractors
Work experience placement
Flexible hours
CACI International
Fort Belvoir, VA
4 days ago
Senior Missile Defense System Architecture Engineer, Engineer III
...Description We are looking for an amazingly talented Senior Systems Engineer to join our team! In this role you will get to lead or participate in analysis of future Missile Defense System (MDS) architectures and concepts, and modeling and simulation (M&S) tool development...
Suggested
Full time
ACQCENTRIC INC
Fort Belvoir, VA
1 day ago
CSfC Systems Engineer (SME)
$116k - $167k
...success! Job Summary JCS Solutions is seeking an experienced Systems Engineer (SME) to join our Integrated Information Technology Support... ...Clearance ~ Active DoD 8570.01-M / DoD 8140 IAT Level II or III baseline certification (e.g., Security+ CE, CySA+, CASP+, or...
Suggested
Full time
Contract work
Temporary work
For contractors
Local area
JCS Solutions LLC
Fort Belvoir, VA
a month ago
System Engineer
...Job Description Job Description System Engineer II/III/IV Full Time, Ft. Belvoir, VA Secret clearance required **This position is contingent upon government approval** Overview: Semper Valens Solutions is seeking an experienced System Engineer to support...
Full time
For contractors
Semper Valens Solutions
Fort Belvoir, VA
a month ago
CSfC Systems Engineer Subject Matter Expert (SME)
$131.3k - $237.35k
Leidos is seeking an experienced Systems Engineer (SME) to join our Integrated Information Technology Support Services (I3TS) team, who will... .../SCI ClearanceActive DoD 8570.01-M / DoD 8140 IAT Level II or III baseline certification (e.g., Security+ CE, CySA+, CASP+, or CISSP...
Full time
For contractors
Leidos
Fort Belvoir, VA
3 days ago
Network & Systems Engineer
$73.45k - $132.78k
Leidos is seeking a Network & Systems Engineer to provide advanced engineering, strategic systems analysis, and operational oversight for large... ...and technical briefings to senior leadership. Support Tier I-III system, networking, and engineering personnel to ensure...
Full time
Contract work
Remote work
Shift work
Night shift
Day shift
Leidos
Fort Belvoir, VA
13 hours ago
Systems Engineer - Modeling & Simulation
$176.8k - $276.25k
...award/funding. ** This will be an onsite position at Fort Belvoir, VA.We are seeking an experienced and highly skilled Senior Systems Engineer to support a dynamic government contracting program in Washington, DC. The ideal candidate will bring deep expertise in Modeling...
Full time
Contract work
Part time
Local area
Remote work
Noblis
Fort Belvoir, VA
4 days ago
EO/IR Systems Engineer
$140k - $190k
...robotic and autonomous platforms, ground, soldier, and maritime systems in 50+ locations world-wide. Much of our work contributes to... ...Position OverviewQinetiQ US is seeking an experienced EO/IR Systems Engineer to serve as the Test Manager for the U.S. Army C5ISR Center...
Contract work
For contractors
Work experience placement
Work at office
QinetiQ
Fort Belvoir, VA
13 hours ago
System Engineer (Hardware focus)
$94.4k - $198.2k
Job Title: System Engineer (Hardware focus)Job Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee Type: RegularPercentage of Travel Required: Up to 25%Type of Travel: Continental US* * *The Opportunity:CACI is seeking a cleared...
Contract work
For contractors
Work experience placement
Flexible hours
CACI International
Fort Belvoir, VA
4 days ago
Sailpoint Systems Engineer
DescriptionSAIC has an opportunity for an ICAM Engineer in Springfield, VA! The position is... ...solutions. Provide white papers for technical systems solutions and incremental roadmaps. The... ...policies and directives. Provide Tier III support to deployed systems. Participate...
Interim role
Overseas
Science Applications International Corporation
Springfield, VA
2 days ago
Senior Systems Engineer
$145k - $186k
Business Unit:Cubic DefenseCompany Details:We are seeking a detail-oriented and customer-focused Systems Engineer to join our team. This role involves overseeing and executing interdependent systems engineering activities, including detailed requirements breakdown, system...
Full time
Cubic Corporation
Fort Belvoir, VA
13 hours ago
Systems Engineer
$95k - $130k
...The Systems Engineer is responsible for analyzing, designing, and managing complex systems throughout the system lifecycle. This role translates customer and mission needs into technical requirements, system architectures, and engineering solutions while ensuring that...
Full time
Temporary work
For contractors
Work at office
Immediate start
CHICKASAW NATION INDUSTRIES INC
Fort Belvoir, VA
4 days ago
Systems Engineer
$140k - $190k
...Job Title: Senior Systems Engineer - Test & Evaluation Lead Our client is a leading developer of laser and electro-optic systems for the aerospace and defense community, with key contributions to advanced sensing, directed energy, laser communications, and electro-...
For contractors
Work at office
Immediate start
Flexible hours
TalentRemedy
Fort Belvoir, VA
1 day ago
System Engineer / System Architect - Senior
...is hiring staff to support our client’s system software development and sustainment efforts... ...: DoD 85701.01-M IAT Level III certification, IAT III 8570 Baseline Certification... ...Experience: Bachelor’s Degree in Systems Engineering, Software Engineering, or Computer...
Contract work
iN2STEM Solutions Inc
Fort Belvoir, VA
16 days ago
Systems Engineer
$140k - $190k
...Job Title Systems Engineer Location Fort Belvoir, VA - Fort Belvoir, VA 22060 US (Primary) Job Description Fibertek is seeking an experienced Systems Engineer to serve as the Test Manager for the U.S. Army C5ISR Center Javelin Seeker effort. The successful...
Contract work
For contractors
Work at office
Immediate start
Flexible hours
FiberTEK
Fort Belvoir, VA
2 days ago
Senior Systems Engineer
$107.74k - $140.3k
...Information Collection and Exploitation System eXtended (US BICES-X) is a cutting edge program... .... Collaborate with managers, network engineers, team members, and customer on solutions... ...Guide (STIG) compliance. Provide tier III support in identifying, analyzing and...
Temporary work
Work at office
Immediate start
Remote work
Worldwide
Flexible hours
Weekend work
Afternoon shift
General Dynamics Information Technology
Springfield, VA
4 days ago
Systems Engineer-IT Stf - E4
$50 per hour
...ProfessionalFT/PT/Casual: FullTimeDepartment: Space LMOSBusiness Unit: Space LMOSStandard Job DescriptionPerforms technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and...
Full time
Temporary work
Work experience placement
Casual work
Flexible hours
Lockheed Martin
Fort Belvoir, VA
1 day ago
Systems Engineer
...Job Role: Systems Engineer – Level IV Location: Fort Belvoir, VA Duration: Full time, Onsite Security Clearance: Active Tier 3 (T3) background investigation or ability to obtain and maintain Requirements: - Minimum of 10 years of progressive experience...
Full time
Maania Consultancy Services
Fort Belvoir, VA
10 days ago
Systems Engineer - Level IV - Clearance
...Qualifications Education/Experience: Minimum of 10 years of progressive experience in systems engineering or related engineering disciplines Master’s degree in Engineering, Computer Science, or a related field, or equivalent experience Certifications: ~ Advanced...
Full time
Maania Consultancy Services
Fort Belvoir, VA
24 days ago
Senior Test/Systems Engineer
$180k - $230k
As a Senior Test/Systems Engineer with MTSI you will will provide advisory and assistance services (A&AS) for technical systems engineering and programmatic support to include: Space, Ground, Acquisitions, Operations and Sustainment. Assist with oversight and management...
Contract work
For contractors
Work at office
Modern Technology Solutions
Lorton, VA
1 day ago
Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert
$180k - $220k
MTSI is seeking a Senior Cybersecurity Systems Engineer/Cross-Domain Solutions (CDS) Expert who will posses extensive knowledge, proven abilities, and demonstrated expertise in Risk Management Framework, cross-domain solutions, diverse information system technologies,...
Contract work
Modern Technology Solutions
Lorton, VA
1 day ago
ArcGIS Systems Engineer Subject Matter Expert
$175k - $205k
Leidos is seeking a ArcGIS Systems Engineer Subject Matter Expert in Fort Belvoir, VA to support the DTRA Program. As a member of our high-performing team, you will be responsible for maintaining and upgrading enterprise GIS software, services, and web applications. This...
Full time
Contract work
Leidos
Fort Belvoir, VA
3 days ago
Senior Systems Engineer
...SAIC has an immediate need for a System Integration office Foundation Layer Subject Matter Expert to support our team located at Fort... ...secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology...
Full time
Work at office
Immediate start
SAIC
Fort Belvoir, VA
1 day ago
Senior Systems Engineer
...material solutions. Oversee the alignment of terrestrial sensor systems with the Intelligence/SIGINT/Cyber enterprise, ensuring local... ...secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology...
Full time
Local area
Immediate start
SAIC
Fort Belvoir, VA
1 day ago
Senior Systems Engineer
...Belvoir, Virginia. This professional possesses solid foundational engineering or technical intelligence experience but operates under the... ...terrestrial sensors to networks or tactical processing systems. Familiarity with the JCIDS process and the structure of CDD...
Full time
Local area
Immediate start
SAIC
Fort Belvoir, VA
1 day ago
Senior Systems Engineer
...SAIC has an immediate need for a System Integration Office (SIO) Foundation Layer Technical Action Officer (TAO) to support our team... ...secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology...
Full time
Work at office
Immediate start
SAIC
Fort Belvoir, VA
1 day ago
Information Systems Security Manager III
...Job Description Job Description Title: Information Systems Security Manager III Location: Washington, DC Clearance: TS/SCI with the... .... We combine cleared mission expertise with enterprise engineering, technology partnerships and large-program execution in support...
Invictus International Consulting, LLC
Alexandria, VA
14 days ago
Senior Modeling and Simulation Systems Engineer
DescriptionWe are seeking a Senior Modeling and Simulation (M&S) Systems Engineer to directly support the Defense Threat Reduction Agency (DTRA). This is a full-time, on-site position located at DTRA Headquarters at Fort Belvoir, VA.In this role, you will serve as the...
Full time
Local area
Immediate start
Flexible hours
Red Gate
Fort Belvoir, VA
13 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Systems Engineer III. Be the first to apply!