System & Network Engineering
Science Applications International Corporation
DescriptionSAIC is seeking an experienced Network Systems Engineer to plan, design, implement, operate and troubleshoot a high-reliability enterprise network infrastructure. The candidate will support an enterprise SATCOM program and the associated tools for tasking, planning, research, data routing, as well as, tools for operations center support and system performance monitoring. The Network Systems Engineer will provide Tier III support for infrastructure and customer support during live testing and operations. The candidate will analyze capacity issues, assess network performance, and recommend plans to ensure the system meets current and future needs. The candidate will assist customers with mission planning, communication paths, and data delivery. The candidate will also assist with system verification and regression tests. Job Duties Include: Provide technical analysis and subject matter expertise to support, build, configure, operate and maintain specific network, related network and system management infrastructure to include but not limited to the following: Network Connectivity Traffic Flow Redundancy (Failover) Network Security Equipment Maintenance of current sites and future coop sites. Increase overall reliability, streamline design and integration where appropriate. Reduce operations and maintenance costs associated with maintaining solutions hosted within the Operations Center where possible. Maintain necessary training, test, and integration equipment for integration and regression testing, validation and troubleshooting. Maintain configuration management of all hosted or managed network solutions. Design, operate and maintain equipment and network paths for storage area network services and off-site back-up services. Monitor and report on bandwidth capacity, availability and projections. Develop and maintain detailed drawings and appropriate documentation of all devices within the supported architecture and configurations of network equipment on site and at future coop sites. Implement upgrades to existing network architecture, troubleshoot network anomalies, as discovered, and deploy and install network equipment both locally and to remote locations. Work with the System Administrators to ensure overall system functionality and design and document future network architecture (with anticipated growth), and respond to ISSO requests, supporting C&A activities.QualificationsRequired Qualifications:Active TS/SCI security clearance with polygraph.Bachelors and 14+ years or more experience; Masters and 12+ years or more experience; PhD or JD and 9+ years or more experience.Must have 10+ years systems engineering and systems integration experience. Occasional CONUS and OCONUS travel may be required.Must have experience working on complex systems across multiple domains. Must have working knowledge of Cisco IOS and enterprise level tools and network products such as firewalls, routers, switches, VPN, network and security protocols. Must have knowledge of networking protocols (IP, TCP, UDP, etc.). Must have knowledge of enterprise system monitoring tools such as Nagios or Solar Winds. Must have ability to work on occasional surge support or shift hours, as needed, to support Operations Center. Desired Qualifications:Familiarity with PL5 implementation and systems.Experience with programming or scripting languages as applied to test development and automation. Linux and virtualization experience. Job Field: Information TechnologyTravel: Yes, 10 % of the Time
$129k - $135k
OverviewVTG is seeking an experienced Ground Network Systems Engineer and technical advisor (SETA) with a strong background related to Information Technology or Network Engineering for diverse locations. Candidate will play a critical role in the design, implementation...SuggestedFor contractorsWork experience placementWork at office$150k - $170k
...realities that transform the world for good. Your impact Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven expertise in Micro Focus Network Automation (NA), Network Node...SuggestedFull timeWork at office$149.6k - $254.32k
...Network Systems Engineer BAE Systems, a top ten prime contractor to the U.S. Department of Defense, enables the U.S. government to transform data into intelligence and provides engineering, integration and sustainment support for critical military platforms and systems...SuggestedFull timeFor contractorsLocal areaImmediate start$150k - $190k
...realities that transform the world for good. Your impact Knack Works, a Jacobs Company, has an opening for a Senior Network/Systems Tools Engineer to support the Intelligence Sector.The job duties are as follows:• System Architecture: Design, implement, and maintain...SuggestedFull timeWork at officeImmediate start- Ground Network Systems Engineer – TS/SCI Clearance w/CI Poly Required Location Chantilly, VA Job Description Leffler Consulting is seeking an experienced Ground Network Systems Engineer/Technical Advisor (SETA) with a strong background in Information Technology or...SuggestedFor contractorsWork at officeOverseas
$160k - $200k
...Chantilly, VA, US Date Posted: 2026-08-04 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job... ...of Position: SAIC is seeking an experienced Network Systems Engineer and Technical Advisor (SETA) to support...Full timeRemote workShift work- ...Job Description Job Description Job Description Grid Networks is looking for an experienced Network and Linux Systems engineer to join a small and friendly group of Infrastructure engineers with varied backgrounds and skillsets. Infrastructure engineers all work...Work at office
- ...Network Engineer / Systems Administrator (SA) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a highly skilled and proactive **Network Engineer / Systems...Temporary workFor contractorsImmediate startFlexible hours
- Chantilly, VA LOCATION Chantilly, VA 20151 We are seeking a highly skilled and proactive Network Engineer / Systems Administrator (SA) to join our team and play a pivotal role in maintaining and enhancing our IT infrastructure. In this role, you will be responsible for...Temporary workFor contractorsImmediate startFlexible hours
- Cyber Splunk Systems EngineerDepartment: Govt Customer-ChantillyLocation: Chantilly, VATENICA is looking to hire a Cyber Splunk Systems Engineer. Must have active TS/SCI with CI poly. Position Description:The Cyber Systems Engineer Project Management Technical Support provides...Contract workFor contractors
- ...MANTECH seeks a motivated, career and customer-oriented Network Deployment Engineer to join our team in Chantilly, VA . This is an onsite... ...Provide daily IT support across client/server/storage/network systems, including monitoring, troubleshooting, and problem...Work at office
- ...MANTECH seeks a motivated, career and customer-oriented Network Engineer to join our team in Chantilly, VA. This is an onsite position... ...to drive infrastructure agendas and successfully navigate systems engineering processes Participate in all phases of the ITIL...Work at office
$160k - $200k
...Description SAIC is seeking a Cloud DevSecOps Systems Engineer to support the LANDMARK AOS program in Chantilly, VA. LANDMARK... ...control systems (e.g., Git) and CI/CD pipelines. ~ Knowledge of network protocols, cybersecurity standards, and best practices in...Full timeFor contractorsRemote workShift work- Sr. Network Engineer (Juniper Operating Systems)This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office.Who We Are:Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people...Full timeWork experience placementWork at officeLocal areaImmediate start2 days per week
- ...Job Description Job Description We are seeking an experienced Cybersecurity Systems Engineer (ServiceNow/Cloud) to provide technical leadership and hands-on engineering support for enterprise ServiceNow, cloud infrastructure, systems integration, and database environments...
$145k - $165k
...Your impact Knackworks, a Jacobs Company, has an opening for a Network Engineer (Campus Area Network/Local Area Network (CAN/LAN)) to support... .... * Develop and improve design products, processes, and systems for our team to work efficiently and effectively. * Although...Full timeWork at officeLocal area- DescriptionSAIC has an immediate opening for a mid to senior level Network Engineer. We are looking for someone to join our established team of dedicated network engineers supporting a wide range of customers. The Network Engineer must be a self-starter who is able to...Immediate start
$73.45k - $132.78k
...Modernization Sector at Leidos has an opening for a Network Implementation Engineerto support computer data communications systems, in providing design specifications, testing... ....Provide technical expertise to Operations engineers and technicians, supporting fault isolation...Full timeLocal area$75.2k - $158.1k
Job Title: Network Engineer Tier 2Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with... ...company management and customer.Provide support for the dispatch system and hardware problems and remains involved in the resolution...Contract workWork experience placementImmediate startFlexible hours$105.1k - $231.1k
Job Title: Network Engineer Tier 3Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with... ...company management and customer.Provide support for the dispatch system and hardware problems and remains involved in the resolution...Contract workWork experience placementImmediate startFlexible hours$104.24k - $156.36k
...automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C.... ...power and technology solutions through engineering expertise and smart systems integration.... ...industries. We are seeking a Network Engineer 3 to join our Security and Electronic...Work at officeLocal areaFlexible hours$112k - $179k
ResponsibilitiesPeraton is seeking a Senior Network Engineer to support our Department of Defense (DoD) / Intelligence Community (IC) customers... ...development, test, and deployment of an exciting and complex system in an Agile construct to contribute to mission success for a...Contract workLocal areaShift work$100k - $200k
Chantilly, VADescriptionWho we are:At Applied Network Solutions (ANS), we bring together some of the most curious minds in networking... ...For over 25 years, our team provides expertise in network, system engineering and both offensive and defensive cybersecurity operations....Temporary workLocal area$90.3k - $189.6k
Job Title: Sr Wireless Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: SecretEmployee... ...US* * *Exciting Career Opportunity: Join CACI as a Sr Wireless Engineer!About the Role:CACI’s Enterprise IT (EIT) Sector is seeking a...Contract workWork experience placementFlexible hours- OverviewVTG is seeking a Network Engineer V to strategically safeguard critical national security interests by leveraging advanced network... ...design solutions to meet those needs including capacity planning, systems configuration and tuning, monitoring network performance, and...
- Network Engineer SETA TS/SCI CI PolyDepartment: Government Customer- ChantillyLocation: Chantilly, VADescriptionTENICA has an immediate, funded opening for Network Engineer to perform Systems Engineering and Technical Assistance (SETA) functions, assisting our Intelligence...Immediate startShift work
$92.3k - $166.85k
Leidos has an opening for Sr. CORE Network Engineer to support our government customers’ global enterprise networks. Network Architecture provides solutions for modernizing the network components while supporting service delivery for customer requirements in a mission-...Full time- DescriptionMay design, analyze, plan, modify, and maintain networks and network components supporting data, voice and/or audio communication... .... Will perform network monitoring of on-prem and remote systems. Will perform troubleshooting and operations/maintenance of on-...Remote work
$131.3k - $237.35k
Leidos is looking for a Senior Network Engineer to be part of a team responsible for the design, migration, implementation, enhancement, optimization... ...integration and consolidation efforts across multiple systems environments.• Addresses and resolves technical problems of...Full timeRemote workRelocation- ...COTS, GOTS, and custom applications. The system generally does not make use of the Sponsor... ...office is responsible for the architecture, engineering, implementation, and operation of the infrastructure components (computer, network, and storage) as well as enterprise...For contractorsWork at officeLocal areaWorldwideOverseas
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