Systems Engineer

The Interface Engineer will play a critical role in the development and design of Interface Control Documents (ICDs) and Interface Design Documents (IDDs) for Command and Control Systems. This position involves establishing new interfaces between external elements, such as sensors, and other systems, ensuring compliance with program standards. The Interface Engineer will also develop behavioral diagrams to document and understand requirements, and will be responsible for maintaining and updating multiple ICDs and IDDs.

Location:  Full-time/Onsite at Huntsville, AL or Colorado Springs, CO

Security Clearance:  Secret required

Pay Rate: $115,000 - $130,000

Direct hire position*

• Lead the authoring and design of ICDs and IDDs, ensuring compliance with program standards.
• Establish new interfaces between external elements and Command and Control Systems.
• Develop behavioral diagrams to analyze and document requirements.
• Attend interface working group meetings with external MDA customers and engineering representatives.
• Support program integration and test efforts related to interfaces.
• Collaborate with other Interface Engineers on developing ICDs for other Missile Defense Systems Elements.
• Support requirements engineering, use case development, and logical architecture modeling tasks.
• Assist leadership, developers, and testers with questions regarding messages and interface rules.
• Ensure high-quality delivery of products and artifacts in accordance with the Systems Engineering Management Plan (SEMP).

• Proven ability to work collaboratively within a seasoned systems engineering team.
• Extensive experience in authoring Missile Defense System ICDs and IDDs is highly desirable.
• Strong background in creating complex Command and Control (C2) system ICDs and IDDs is highly desirable.
• Solid foundation in computer programming principles for effective communication with software development teams.
• Strong grasp of Systems Engineering processes and principles with a proven record of applying these concepts.
• Experience in requirements elicitation using behavior diagrams.
• Expertise in interface engineering, including authoring ICDs and IDDs covering:
  • Message definition, processing rules, and formatting (e.g., XML, VMF)
  • Physical and network specifications and models (including the ISO/OSI model)
  • Network topologies, devices, and protocols (e.g., TCP/IP, UDP)
• Strong written and oral communication skills.
• Experience with IBM Rational DOORS or similar requirements management tools is highly desirable.

• Bachelor's Degree and 9 years of experience, or
• Master's Degree and 7 years of experience

Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.


W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
Please be advised- If anyone reaches out to you about an open position connected with Eliassen Group, please confirm that they have an Eliassen.com email address and never provide personal or financial information to anyone who is not clearly associated with Eliassen Group. If you have any indication of fraudulent activity, please contact [email protected].

About Eliassen Group:

Eliassen Group is a leading strategic consulting company for human-powered solutions. For over 30 years, Eliassen has helped thousands of companies reach further and achieve more with their technology solutions, financial, risk & compliance, and advisory solutions, and clinical solutions. With offices from coast to coast and throughout Europe, Eliassen provides a local community presence, balanced with international reach. Eliassen Group strives to positively impact the lives of their employees, clients, consultants, and the communities in which they operate.

Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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