Senior Network / Systems Engineer
$215k - $230kAmentum
Amentum/Secure Networking Solutions is seeking a senior Network/Systems Engineer responsible for maintaining the design and integrity of program systems. The candidate will oversee the program’s Wireless Intrusion Detection System (WIDS). The candidate will build scripts, provide expert technical assistance to team members, and build and patch servers (Linux and Windows). The candidate should have excellent networking skills, including an understanding of IP Schema, scripting, hardware, and other aspects of building and maintaining networks and systems. This position is contingent upon award of contract, business needs, security clearance verification, and funding availability.
Work Schedule: Monday – Friday, 8 am - 5 pm.
Essential Responsibilities:
- Design and deploy functional servers on Linux and Windows operating systems.
- Maintain system compliance with cybersecurity standards and practices
- Monitor system performance and integrity.
- Automate tasks and monitor their effectiveness.
- Create, oversee, and test security measures (e.g., access authentication and disaster recovery, etc.)
- Communicate with users when needed.
- Maintain complete technical documentation.
- Suggest improvements to performance, capacity, and scalability.
- Install systems in CONUS and potentially OCONUS locations as directed by project PM.
Work Environment, Physical Demands, and Mental Demands: Office Setting, but may be required to install sensors and cabling, requiring use of ladders and lifting up to 20 pounds.
Minimum Requirements (Knowledge, Skills, and Abilities):
- Experience writing clear, concise, and user-friendly technical and training manuals or similar documentation to include documents required for A&A IAW ICD 503. (Templates will be available).
- Experience in Windows administration, Active Directory administration
- Experience in administrative scripting languages.
- Experience with integration, deployment, troubleshooting, and maintenance of operating systems in a multi-domain environment.
- Knowledge and experience with Virtual Infrastructure technologies per the applicable level stated in the table below.
- Experience in all components of Windows and Linux system infrastructure per the applicable level stated in the table below.
- Experience in LAN/WAN technologies, routers, switches, firewalls; experience with Storage Area Network (SAN), clustering and backup technologies.
- Experience and proficiency with systems engineering concepts, principles and theories and system modeling tools per the applicable level stated in the table below.
- Ability to perform Tier 3 operational maintenance on audit systems to include: system engineering, system administration, database management, backup administration, change configuration and management, policy creation, and certification and accreditation procedures (Senior level position).
- Appropriate ND 50-05 certification for tasks assigned.
- Ability to travel worldwide.
Security Clearance Required: TS/SCI w/ Poly
Minimum Education: Bachelor's Degree in relevant area, such as Computer Science, Systems Engineering, or other computer or information technology-related field.
Minimum Years of Experience: (Bachelors + 5-7 years); (Masters + 3-5 years); (PhD + 1-2 years)
Other Responsibilities:
Safety - Amentum enforces a safety culture whereby all employees have the responsibility for continuously developing and maintaining a safe work environment. As appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks, and serving on safety committees and teams.
Quality - Quality is the foundation for the management of our business and the keystone to our goal of customer satisfaction. It is our policy to consistently provide services that meet customer expectations. Accordingly, each employee must conform to the Amentum Quality Policy and carry out job activities in compliance with applicable Amentum Quality System documents and customer contracts. Each employee must read and understand his/her Quality Management and Customer Satisfaction responsibilities.
Procedure Compliance - Each employee must read, understand, and implement the general and specific operational, safety, quality, and environmental requirements of all plans, procedures, and policies pertaining to his/her job. Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.
#javelin
Compensation Details:
$215,000 - $230,000The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Benefits Overview:
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
Health, dental, and vision insurance
Paid time off and holidays
Retirement benefits (including 401(k) matching)
Educational reimbursement
Parental leave
Employee stock purchase plan
Tax-saving options
Disability and life insurance
Pet insurance
Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
Original Posting:
09/01/2026 - 11/15/2026Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.
$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...SeniorFull timeWork at office$150k - $190k
...into 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...SeniorFull timeWork at officeImmediate start- 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...SuggestedRemote workShift work
$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- 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...Senior
$180k - $225k
.... Position Location: Chantilly, VAPosition: Senior Network EngineerPosition Description:We are seeking a Senior Network Engineer responsible for configuration, implementation... ...administrative support of installed systems/networks. Responsible for planning and implementing...SeniorWorldwide$176k - $282k
Responsibilities The Opportunity:Peraton is seeking a talented Network Engineer to join our team in Chantilly, VA to assist with the client’s... ...of the intricacies and interdependencies within these systems, enabling informed decision-making and providing strategic guidanceSpend...SeniorContract workShift 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...SeniorFull timeRemote workRelocation- ...MANTECH seeks a motivated, career and customer-oriented Senior Systems Engineer to join our team in Chantilly, VA . This is an onsite... ...hardware; administering Microsoft Office 2010/2016; basic networking including DHCP/TCPIP Experience with Microsoft Windows...SeniorWork at officeLocal areaNight shiftWeekend work
$90.3k - $189.6k
Job Title: Senior Network EngineerJob Category: Information TechnologyTime Type: Full timeMinimum... ...U.S. Space Force as a Senior Network Engineer!The OpportunityStep into a high‑impact... ...cybersecurity teams.Ensure installed systems meet STIG requirements and align with all...SeniorContract workWork experience placementFlexible hours$89.2k - $148.02k
...provider of secure, IP enabled, cloud-based, network solutions and professional services to... ....AT&T has an opening for a Network Engineer to provide network engineering and physical... ...feature sets/ Patch evaluation and periodic system refresh.Required Clearance:TSSCI with poly...SeniorTemporary workWork at officeLocal area- ...Senior Network/Systems Tools EngineerSenior Network/Systems Tools Engineer to support the Intelligence Sector. The job duties are as follows:System Architecture: Design, implement, and maintain the OpenText Network Operations Management (NOM) system architecture, with...
$150k - $190k
Modern Technology Solutions Incorporated (MTSI) is seeking Senior Systems Engineer to lead technical projects for OSD Strategic Capabilities Office (SCO). Conduct and oversee feasibility and military utility analyses for current and emerging SCO projects. Interact with...SeniorContract workFor contractorsWork at office$146k - $234k
ResponsibilitiesThe ideal Systems Engineer for this position will possess the knowledge and technical expertise to support the team during the entire Systems Engineering life cycle. We are seeking a forward leaning self-starter capable of balancing multiple priorities...SeniorContract workShift work- DescriptionSAIC is seeking a Senior SIGINT Systems Engineer to provide Systems Engineer Technical Advisor (SETA) services for a critical position the Landmark GSS program in Chantilly, VA. Landmark GSS supports the NRO’s Ground Enterprise Directorate (GED), responsible...SeniorWork at office
- DescriptionSAIC is seeking a Systems Engineering professional to support a customer organization and serve as a trusted agent across several... ...transparency, and flexibility Ability to relate professionally with senior Government customers and colleagues Strong written and...SeniorFor contractorsWork at officeFlexible hours
$135k - $216k
ResponsibilitiesThe ideal Senior Systems Engineer will possess the knowledge and technical expertise to support the team during the entire Systems Engineering life cycle. We are seeking a forward leaning self-starter capable of balancing multiple priorities simultaneously...SeniorContract workShift work$131.3k - $237.35k
...Leidos is searching for an experienced and fully cleared Network Engineer to join our team in Chantilly, VA. The team is made-up of highly... ...AWS Experience implementing and troubleshooting VoIP & PBX systems Experience implementing and troubleshooting Asterisk If...SeniorFull timeFlexible hours$200k - $240k
...Description SAIC has an immediate opening for a Senior Network Engineer to work on an exciting program in Chantilly! The successful... ...configuration of network equipment (routers, servers, etc.), providing system administration functions, monitoring health and status of...SeniorImmediate start- ...Overview We are seeking an experienced Senior Network Engineer to support a mission-focused enterprise environment, responsible for designing... ...across AWS environments and hybrid architectures, supporting system reliability, performance, and security through modern...Senior
$160k - $210k
MTSI is seeking a Senior Cybersecurity Systems Engineer whose primary function will be to work with Special Access Programs (SAPs) supporting Department... ...view of system needs and constraints.Review system and network artifacts and conduct assessments against selected...SeniorContract workFor contractors$146k - $234k
...stakeholders, both in person and in writingManages A&A/ATO compliance and forms, scans/updates, routine information systems security tasks, and systems engineering documentationQualificationsTS/SCI with Polygraph level clearance is requiredMinimum of 12 years with BS/BA;...SeniorContract workShift work$110k - $195k
OverviewVTG is seeking a Sr Systems Engineer, located in Chantilly, Va.What will you do?They will provide Systems Engineering and Technical Advisory (SETA) services to assist the government in implementing and executing systems engineering processes to integrate mission...SeniorWork experience placement$145k - $175k
...Join our team as a Senior Network Engineer at CASE Management Consulting! Location: Chantilly, Virginia Work Environment: On-site... ...testing, and implementation of network and communications systems. Support network environments involving cryptographic...SeniorFull timeTemporary workWork at officeImmediate start- DescriptionSeeking a Senior RF Systems Engineer with experience focused on antennas and FISINT or ELINT Technical Collection Systems to join our team of technical and business experts providing operational and mission support to a SI/SETA mission for a classified customer...SeniorFor contractorsMonday to Friday
$170k - $230k
...Technology Solutions, Inc. (MTSI) is seeking a highly qualified Senior Space Systems Engineer to fulfill a critical Systems Engineering and Technical... ...hypersonic missile tracking and robust tactical data networks.Based at SDA Headquarters in Chantilly, VA, you will join...SeniorContract workFor contractorsWork at officeRemote work$112k - $179k
ResponsibilitiesWe are seeking an experienced Senior Systems Engineer to support mission-critical geospatial intelligence initiatives across the National System for Geospatial-Intelligence (NSG), Allied System for Geospatial-Intelligence (ASG), and other Federal Government...SeniorContract workShift work- ...Integrity Technology Consultants, Chantilly, VA, seeks a Senior-Level Systems Engineer holding TS/SCI with CI Polygraph clearance to lead multi-discipline engineering efforts within NSG/ASG and federal environments. The role guides teams through requirements, architectures...Senior
- 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...For contractorsWork at officeOverseas
$86.8k - $198k
Systems Engineer, SeniorThe Opportunity:Seeking a Senior Systems Engineer to translate complex satellite mission needs into technical specifications to support Agile design, development, integration and deployment of a mission management software for heterogeneous, proliferated...SeniorFull timeContract workPart timeWork at officeLocal areaRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Network / Systems Engineer. Be the first to apply!
- senior network engineer remote Chantilly, Loudoun County, VA
- network engineer contract Chantilly, Loudoun County, VA
- network engineer - transport Chantilly, Loudoun County, VA
- network developer Chantilly, Loudoun County, VA
- remote cisco network engineer Chantilly, Loudoun County, VA
- cisco ccnp network engineer Chantilly, Loudoun County, VA
- network software engineer Chantilly, Loudoun County, VA
- wireless network engineer Chantilly, Loudoun County, VA
- network applications engineer Chantilly, Loudoun County, VA
- network infrastructure engineer Chantilly, Loudoun County, VA



