Mid-Level Platform System Engineer IRES - SSFB

Amentum; Colorado Springs (CO); On-site; USD 115,000 - 135,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

Paid time off and holidays

Retirement benefits (401(k) matching)

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum seeks a Mid-Level Platform System Engineer to join the MDSEA organization on the IRES contract at Schriever Space Force Base, CO. You will lead a team in designing, implementing, and sustaining platform architectures for enterprise services and space-ground operations, ensuring secure command and control of space-based defenses.

The role requires DoD experience, active clearance, and the ability to obtain higher clearance.

Qualifications

• 6+ years of general full-time work experience.
• 3+ years in IT systems engineering or architecture within DoD or commercial enterprise.
• Fundamental understanding of Requirements Analysis and Management.
• Proficient understanding of the System Engineering V-Model and lifecycle.
• Active DoW Secret Security Clearance; ability to obtain Top Secret with SCI eligibility.

Responsibilities

• Support innovation by designing solutions to improve efficiency, security, and sustainability.
• Define requirements, architect platform systems, and oversee development for enterprise services and satellite ground systems.
• Create implementation and test plans for sustainment personnel.
• Collaborate with engineers, cybersecurity, project managers, software and network teams to ensure standards compliance.
• Define tasks and schedules with project managers to meet milestones.

Skills

Independent

Results-oriented

Problem-solver

Analytical thinking

Team collaboration

Education

Bachelor's degree in related field

Tools

Linux administration

Cameo Systems Modeler (No Magic)

IBM Rhapsody

Sparx Enterprise Architect

Job description

Position Title: Mid-Level Platform System Engineer

Location: Schriever Space Force Base, Colorado Springs, CO

Relocation Assistance: None available at this time

Remote/Telework: NO - Not available for this position

Clearance Type: DoW Secret

Shift: Day shift

Travel Required: Up to 10% of the time

Join our team and play a pivotal role in shaping the future of missile defense! As a Mid-Level Platform System Engineer supporting the Missile Defense Space Enterprise Architecture (MDSEA) organization within the Missile Defense Agency (MDA) on the Integrated Research and Development for Enterprise Solutions (IRES) contract, you will be at the forefront of leading a team in the development and implementation of innovative solutions for critical elements supporting advanced sensing capabilities. You will be instrumental in ensuring efficient, sustainable, and secure command and control of our nation’s space-based defense capabilities. This is an opportunity to make a tangible difference in a mission-critical environment.

Who We’re Looking For:

We are seeking a highly motivated, independent, and results-oriented Mid-Level System Engineer who thrives in a dynamic and challenging environment. If you are a self-starter, comfortable taking ownership of projects from inception to implementation, and possess a strong desire to contribute to the success of our mission, here is your opportunity. We are seeking a problem-solver with exceptional analytical and critical thinking skills, eager to learn and contribute within a collaborative team. If you are passionate about leveraging your technical expertise to enhance our nation’s security, consider this position.

Responsibilities:

Support Innovation:

• Develop and design cutting-edge solutions to optimize efficiency, security, and sustainability within a team supporting Platform MDSEA frameworks.

Contribute to Technical Initiatives:

• Conduct comprehensive studies and analyses, define detailed requirements, engineer preliminary and detailed platform architectures, and oversee system development for enterprise services, satellite ground systems, and operations centers (including supporting facilities).
• Contribute to all phases of the Engineering Lifecycle: Support projects from initiation through requirements management, task execution, and platform system sustainment.

Support Implementation:

• Document designs and create comprehensive implementation and test plans for execution by sustainment personnel.

Collaborate and Integrate:

• Direct a cohesive partnership within the team and other engineers, system administrators, cybersecurity, test teams, project managers, software developers, network engineers, and application teams to ensure seamless integration and compliance with all relevant standards and policies.

Support Program Milestones:

• Work collaboratively with Project Managers to define tasks and schedules

The successful candidate will:

• Be able to work independently, take initiative, and drive projects to completion with minimal supervision.

Basic Requirements:

• Must have 6, or more, years of general (full-time) work experience
  • May be reduced with completion of advanced education
• Must have 3, or more, years of experience directly related to the support or management of IT systems engineering or architecture role/capacity within a DoD and/or commercial enterprise
• Must have a fundamental understanding of Requirements Analysis and Management principles.
• Must have a proficient understanding of the System Engineering V-Model and engineering lifecycle.
• Must have an active DoW Secret Security Clearance
• Must be able obtain an active DoW Top Secret Security Clearance with SCI eligibility

Desired Requirements:

• Have a bachelor’s degree (of higher) in a related field (e.g., Systems Engineering, Computer Science, Electrical Engineering).
• Have experience with Linux administration, management, and sustainment.
• Have experience working within the Missile Defense Agency (MDA) or other Department of Defense (DoD) organizations.
• Have competency in developing and editing Department of Defense Architecture Framework (DoDAF) (or equivalent framework).
• Be able to logically decompose complex mission systems into manageable components.
• Have experience in developing detailed implementation plans for new solutions and systems.
• Have a track record of effectively troubleshooting and applying critical thinking skills to resolve IT system dependencies, impacts, and sustainability challenges.
• Be familiar with Agile development methodologies.
• Be familiar with cloud computing (server and serverless) technologies (e.g., Amazon Web Services (AWS), Microsoft Azure, Red Hat Openshift)
• Have experience working with SysML and MBSE tools such as Cameo Systems Modeler (No Magic), IBM Rhapsody, or Sparx Enterprise Architect.
• Have 1, or more, certifications in relevant areas (e.g., INCOSE ASEP, CompTIA Security+).

This position will be posted for a minimum of 3 days. If a candidate has not been selected at that time, it will continue to be posted until a suitable candidate is selected or the position is closed.

Compensation Details:

$115,000 – $135,000

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:

08/31/2026 – 09/09/2026

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.