Senior Systems Engineer at Amentum in Chantilly, VA

Senior Systems Engineer Location: US-VA-Chantilly 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, build and patch servers (Linux and Windows). Candidate should have excellent networking skills, including an understanding of IP Schema, scripting, hardware, and other aspects of building a network and maintaining systems. Essential Responsibilities: Design and deploy functional servers on Linux and Windows operating systems. Maintain system compliance with cyber security 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 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 with a Poly Minimum Education:  Bachelors 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) Required Certifications: Preferred Qualifications: This position [is not] designated as a safety sensitive position. As part of our commitment to maintaining a safe and compliant work environment, Amentum is a drug-free workplace and requires all personnel to comply with company drug and alcohol policies as a condition of employment.  Employment is contingent upon successful completion of the drug screening process.  Please note that this may include pre-hire screening for marijuana, as well as other federally controlled substances due to Amentum’s role as a federal contractor and trusted partner to the US Government. 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 - $230,000 The 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: 05/14/2026 - Until Filled Amentum 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.