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SigmaCorps Solutions is seeking a Senior Test Engineer to support USMC Ground-Based Air Defense fixed-site efforts under the GBAD Engineering and Logistics (E&L) program. This is a backfill of an established CLIN 005 billet on the Fixed Site task order, not a newly created position — the work, the customer relationships, and the test cadence are already in motion.

Test Engineers actively participate in program meetings to stay current on program activities and system capabilities. The role conducts thorough examinations of Marine Air Defense Integrated System (MADIS) Family of Systems engineering and test documentation, supports future test planning and events, develops test procedures, operates the system under test, provides post-test data analysis support, and aids in the creation and review of test plans and reports. The position directly supports the C2/C4 IPT and C2 test procedure development, execution, test design, and analysis.

•    Actively participate in working groups supporting analysis, metrics, and requirements development.

•    Develop test architectures, test procedures, and test briefs.

•    Contribute to Data Management and Collection Plans and analysis reports.

•    Perform on-site data collection, reduction, and analysis.

•    Manage the Data Availability & Traceability Matrix.

•    Coordinate test schedules between the program, ranges, agencies, and support teams.

•    Analyze system requirements and recommend test methods and test approach.

•    Review all test reports from internal and external agencies; identify trends, deficiencies, and improvements.

•    Support the development of daily test and status reports.

•    Identify test and evaluation (T&E) associated risks and provide input for risk resolution and mitigation.

Required

•    Five or more years of experience in the specific field plus a bachelor’s degree, or 10+ years of direct and applicable work experience.

•    Previous direct experience testing, evaluating, and operating and/or maintaining aviation or ground command and control (C2), weapons, or information exchange systems.

•    Proficiency with the Microsoft Office Suite (Word, Excel, PowerPoint, Outlook).

•    Active Secret security clearance, with the ability to obtain and maintain a Top Secret clearance.

Preferred

•    Master’s degree in a relevant field.

•    Prior experience with the Marine Air Defense Integrated System (MADIS) Family of Systems.

•    Experience supporting fixed-site air defense or Counter-UAS fielding and test activities.

•    Familiarity with Data Availability & Traceability Matrix management and DoD test documentation practice.

The following Defense Acquisition University (DAU) coursework is required after hire on the timelines below. SigmaCorps supports completion as part of the onboarding and development plan. Course numbers reflect the current DAU catalog; legacy numbers are shown where they differ.

ACQ 1010 — Fundamentals of Systems Acquisition Management (formerly ACQ 101)

Required within 6 months of hire

CLE 030 — Integrated Testing

Required within 6 months of hire

TST 102 — Fundamentals of Test and Evaluation

Required within 9 months of hire

ENG 101 — Fundamentals of Systems Engineering

Required within 9 months of hire

CLE 023 — Modeling & Simulation in Test & Evaluation

Desired

This is a fully remote position. The incumbent is not required to work from a SigmaCorps facility. Combined CONUS and OCONUS travel is estimated at approximately 30% of total support annually, driven by test events, range schedules, and fielding activity.

Travel destinations may include the following. OCONUS travel is included within the stated percentage.

•    Yuma, AZ

•    NSWC Crane, IN

•    MCB Quantico, VA

•    MCB Camp Pendleton, CA

•    White Sands Missile Range, NM

•    Kaneohe Bay, HI

•    MCAS Cherry Point, NC

•    Iwakuni, Japan (OCONUS)

Note. This list is representative, not exhaustive. Additional CONUS or OCONUS locations may be added as fielding and test requirements evolve.

Location

100% remote

Employment type

Full-time, exempt

Anticipated start

15 September 2026 or 1 October 2026

Schedule

Standard business hours; flexibility required around test events and range schedules

Travel

~30% CONUS and OCONUS annually

Compensation

$110,000 – $125,000 annually, commensurate with experience and internal equity

Benefits

Per SigmaCorps benefit plan — details provided upon offer

Security clearance

Active Secret required; must be able to obtain and maintain Top Secret

Submit resume to careers@sigmacorps.com with subject line: “Senior Test Engineer — GBAD E&L Fixed Site.” Include a brief note on relevant experience and current clearance status.

SigmaCorps Solutions, LLC is committed to providing equal employment opportunities to all qualified individuals without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, veteran status, or any other characteristic protected by law. We strive to create a diverse and inclusive work environment where all employees are treated with respect and dignity.

Our commitment to equal employment opportunity extends to all aspects of employment, including recruitment, hiring, promotion, compensation, benefits, training, and all other terms and conditions of employment. We do not tolerate discrimination, harassment, or retaliation of any kind against our employees or applicants.