Are you ready to launch your career where your code truly matters? At Amentum, we’re building more than just software — we’re delivering mission-critical solutions that shape the future. We’re looking for a
Senior Level Front-End Developer to join our dynamic team and help us create powerful, intuitive interfaces that drive real-world results.
As part of our agile and tight-knit development team, you’ll collaborate directly with system engineers and users to design and build clean, responsive, and high-performance front-end solutions. You'll work
with modern tools — HTML, CSS, JavaScript — and have the opportunity to grow your skills in a fastpaced, mission-driven environment.
This isn’t just another job — it’s a chance to be part of a company where your contributions directly support national security, technological innovation, and the future of digital transformation. We’re
passionate about what we do, and we’re looking for developers who share that passion — self-starters who love learning, problem-solving, and being part of something bigger than themselves.
If you're looking for a place where your work has real meaning, your team supports you, and your career can thrive — we’d love to hear from you.
Work Schedule: 8 hours 5 days a week within the hours of 6:00am – 6:00pm
Essential Responsibilities:
As a Senior Systems Architect at Amentum, you’ll be at the forefront of
designing, developing, and deploying sophisticated enterprise applications in support of government IT missions. You’ll lead efforts across the full software development lifecycle while applying advanced
technical knowledge and strategic insight to create systems that are efficient, secure, and scalable. Your day-to-day responsibilities will include:
This role calls for someone who thrives under pressure, is technically exceptional, and can see both thebig picture and the fine details. Your ability to multitask, stay organized, and lead through complexitywill be critical to your success.
Minimum Requirements (Knowledge, Skills, and Abilities):
#javelin
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 adrug-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 forncontinuously 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.
$185,000 - $190,000
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.
Our health and welfare benefits are designed to support you and your priorities. Offerings include:
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.
10/21/2026 - 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.

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.