Senior Specialist, Systems Engineer (Colorado Springs, CO)

L3Harris Technologies, Inc.; Colorado Springs (CO); On-site; USD 93,000 - 172,000; Full time

Job summary

L3Harris Technologies, Inc. in Colorado Springs, CO is seeking a Senior Specialist, Systems Engineer to own core systems engineering documentation for the MOSSAIC Eglin Radar program.

You will work with leadership, subcontractors, and government stakeholders to ensure the architectural model, interfaces, and requirements are consistent, traceable, and audit-ready. The role requires a Bachelor’s Degree (or higher) with 6+ years of related experience, or 10+ years without a degree, plus active US

Qualifications

• Bachelor’s Degree and minimum 6 years of prior relevant experience; graduate degree with 4+ years preferred.
• Active US Secret security clearance is required.

Responsibilities

• Own, author, and maintain the Interface Control Document (ICD).
• Represent Systems Engineering at ERB, CCB, and DRB with change impact analysis.
• Support Functional Configuration Audit (FCA) and Physical Configuration Audit (PCA).
• Participate in SAFe Agile Release Train activities including PI Planning and backlog refinement.
• Coordinate with cross-functional teams to ensure interfaces and requirements are consistent and traceable.
• Maintain DoD engineering artifacts (SEP, SEMP, TEMP, CMP, DMP) as required.

Skills

Active US Secret security clearance

Radar theory

Agile SAFe

INCOSE requirements

Education

Bachelor’s Degree (or higher)

Tools

Cameo Systems Modeler

SysML v1/v2

Job description

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.

L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title: Senior Specialist, Systems Engineer

Job Code: 45093

Job Location: Colorado Springs, CO

Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked – and have every other Friday off

Job Description:

As a Senor Specialist, Systems Engineer, you will contribute to a diverse technical team on the MOSSAIC Eglin Radar program. This position sits within the Space & Airborne Systems (SAS) division, working alongside program leadership, subcontractor teams, and government stakeholders to deliver a mission-critical range control and data conditioning capability.

In this role, you will own a portfolio of core systems engineering documentation and configuration control artifacts that anchor the technical baseline of the program — including the Interface Control Document (ICD), the Model-Based Systems Engineering (MBSE) model, and support to the Engineering Review Board (ERB), Configuration Control Board (CCB), and Discrepancy Review Board (DRB). You will work closely with the Chief Systems Engineer and cross-functional leads in Infrastructure, Cybersecurity, and Operations (InfraSecOps), DevOps, Integration and Test (DIT), Platform and Conditioning, as well as our Visualization team to keep interfaces, requirements, and the architectural model consistent, traceable, and audit-ready.

This position is located in Colorado Springs: https://careers.l3harris.com/en/colorado

Essential Functions:

• Own, author, and maintain the Interface Control Document (ICD), ensuring interface definitions remain accurate, versioned, and traceable to the requirements baseline.
• Knowledge of radar theory, radar functionality and radar operations.
• Prepare technical packages and represent Systems Engineering at the Engineering Review Board (ERB), Configuration Control Board (CCB), and Discrepancy Review Board (DRB), including change impact analysis and disposition tracking.
• Support Functional Configuration Audit (FCA) and Physical Configuration Audit (PCA) activities, ensuring documentation and model artifacts align with delivered baselines.
• Participate in Agile execution within a SAFe Agile Release Train — including PI Planning, backlog refinement, and feature/story-level requirements decomposition — in coordination with the Product Owner and Chief Systems Engineer.
• Author and maintain requirements in accordance with INCOSE requirements writing guidance, ensuring 'shall' statement quality, traceability, and verification method assignment.
• Coordinate across functional groups (Systems Engineering, Software Engineering, InfraSecOps, Data Conditioning, Visualization) to negotiate interface and design solutions.
• Support development and maintenance of DoD systems engineering artifacts (SEP, SEMP, TEMP, CMP, DMP) as required by the program's contract and governance model.
• Coordinate with government customers, subcontractors (e.g., SAIC/Koverse, Anduril/SPySE), and other contractor teams in a collaborative, government range environment.
• Support System Installation and integration efforts, including coordination with procurement and logistics for hardware and software delivery.
• Possess strong analytical and troubleshooting skills, with the ability to isolate root cause across system, interface, and requirements issues.
• Maintain strong attention to detail and organizational discipline across concurrent documentation, board, and model-maintenance activities.

Qualifications:

• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Active US Secret security clearance.

Preferred Additional Skills:

• Demonstrated experience authoring and maintaining Interface Control Documents (ICDs) on a DoD or government program.
• Hands-on MBSE modeling experience (Cameo Systems Modeler, SysML v1 and/or v2, or equivalent MBSE tooling) is preferred
• Experience supporting or chairing configuration and technical governance boards (ERB, CCB, DRB) including change request evaluation and disposition.
• Working knowledge of the DoD Systems Engineering Technical Review process and System Development Life Cycle, with familiarity with DoD 5000 series guidance.
• Experience with DoD Systems Engineering artifacts: SEP, SEMP, TEMP, CMP, DMP.
• Working knowledge of the INCOSE requirements writing guide and requirements quality/traceability best practices.
• Experience operating within a SAFe Agile Release Train or equivalent Agile framework.

In compliance with pay transparency requirements, the salary range for this role in Colorado Springs is $92,5000 - $171,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.

The application window for this requisition is anticipated to close 12/25/2026.

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L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug‑free workplace and performs pre‑employment substance abuse testing and background checks, where permitted by law.

Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.

By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.

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