Demo

Senior Principal Systems Engineer

TCS
Huntsville, AL Full Time
POSTED ON 4/9/2026
AVAILABLE BEFORE 6/8/2026

Clearances Required: Active DoD Secret

Location: Huntsville, Alabama, United States

Job Description

TCS is searching for a Senior Principal Systems Engineer to join our strong team of Engineers supporting our Ground-based Midcourse Defense (GMD) customer in Huntsville, AL. The GMD program is a portion of the Missile Defense Agency's (MDA) system to protect the US and our allies from ballistic missile attacks. The selected candidate will use modern tools to further the development and sustainment of the GMD system.

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This is an in-office position. Remote work is not available.

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Essential Functions:

The selected Sr. Principal Systems Engineer responsibilities will include the support of the Ground Weapons System (GWS) program as an individual contributor on the Systems Engineering Team for the Ground Fire Control (GFC) product. This role is responsible for developing and assisting in the requirements process that directly supports the design and development of GWS capabilities on behalf of the Missile Defense Agency (MDA).

The selected candidate should thrive in a fast-paced work environment with high expectations, significantly diverse assignments, and collaborative/teams comprised of all experience levels.

Basic Qualifications:

  • Bachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a Master's Degree in STEM and 6 years of related experience, or 4 years of experience with a PhD in STEM.
  • Must have a solid understanding of system engineering processes and principles, along with proven experience in applying them to develop product solutions.
  • Must have experience with SW development and the verification of requirements.
  • Must have experience with DOORS, Cameo, and MBSE.
  • Previous experience working on a large-scale missile defense system like GMD.
  • Applicants must possess good communication skills.
  • Applicants must demonstrate the ability to think critically and capture concepts in work products, presentations, and discussions.
  • Must be able to support an in-person / closed-area work environment.
  • Applicants must have a current active in-scope DoD-issued Secret security clearance at the time of application, which is required to start.
  • Ability and willingness to travel up to 10% of the time to support business needs.

Preferred Qualifications:

  • Advanced degree in Mathematics or Physics.
  • Battle Management or Fire Control experience.
  • MBSE or INCOSE Certifications.
  • Experience developing System Engineer artifacts, including specifications, Interface Control Documents, Use Cases, System Architecture Descriptions, Trade Studies, and similar documents.

Benefits:

  • Highlights of our benefits include BC/BS Health, Dental, Vision, 401(k) match, Profit Sharing, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, vacation, sick leave, and maternity/paternity leave.

Apply online or visit us at www.tcs-inc.com/careers

TCS, Inc. is an EEO Employer.

Salary.com Estimation for Senior Principal Systems Engineer in Huntsville, AL
$169,145 to $190,051
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