Senior System Engineer

Senior Systems Engineer

GXM is seeking a senior-level Systems Engineer to join our team to support advanced defense and space-related mission programs focused on Command and Control (C2), mission systems integration, cloud modernization, and enterprise capability delivery.

The selected candidate will apply systems engineering principles across the system lifecycle to support development, integration, transition, and sustainment of mission systems and enterprise capabilities. The Systems Engineer will serve as a key contributor to interface management, technical baseline development, data interoperability efforts, and enterprise architecture alignment activities.

This role requires collaboration with architects, software developers, cybersecurity personnel, data engineers, and mission stakeholders to ensure systems are integrated, interoperable, and aligned with operational requirements.

This role is onsite in Colorado Springs, CO. Hybrid flexibility may be available over time based on mission requirements, program execution needs, and achievement of objectives.

Responsibilities

• Develop, maintain, and manage Interface Control Documents (ICDs) supporting system, application, and data integrations.
• Support interface governance activities, including interface management, change control, stakeholder coordination, and technical reviews.
• Define and implement data standardization approaches to improve interoperability, consistency, and information exchange across systems.
• Support development and refinement of transition workflows between systems, operational environments, and mission partners.
• Assist with enterprise architecture activities to ensure systems and capabilities align with architectural standards, mission objectives, and modernization efforts.
• Develop, analyze, and manage system requirements, technical baselines, and system documentation.
• Support system integration, verification, validation, and operational testing activities.
• Collaborate with engineering, cybersecurity, cloud, and mission teams to resolve technical issues and support capability delivery.
• Participate in technical reviews, working groups, and stakeholder engagements supporting system development and integration efforts.
• Identify technical risks, integration challenges, and interoperability issues and support development of mitigation strategies.

Requirements

• U.S. Citizen with active TS/SCI clearance.
• Bachelor's degree in Engineering, Computer Science, Information Systems, Systems Engineering, or related technical discipline.
• 12+ years of professional experience performing systems engineering functions.
• Experience developing and managing system requirements, technical documentation, and engineering artifacts.
• Experience developing or managing Interface Control Documents (ICDs) and supporting system integration activities.
• Familiarity with systems engineering processes, technical baseline management, and change control practices.
• Experience supporting system integration, verification, validation, or operational testing activities.
• Strong analytical, problem-solving, communication, and stakeholder engagement skills.
• Experience working within Agile, DevSecOps, or modern engineering environments.

Desired Qualifications

• Experience supporting defense, space, intelligence, or multi-domain operational environments.
• Familiarity with Command and Control (C2) systems, mission systems, or enterprise integration environments.
• Experience supporting enterprise architecture, data interoperability, or information exchange initiatives.
• INCOSE ASEP/CSEP, OCSMP, or equivalent systems engineering certification preferred.

$90,000 - $190,000 salary + annual bonus eligibility + medical/dental/vision/STD/LTD/Life + 401(k) + PTO

Equal Employment Opportunity / Legal Disclaimer

GXM Technologies LLC is an Equal Opportunity Employer and participates in E-Verify to confirm employment eligibility. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, veteran status, or any other legally protected status. GXM Technologies LLC provides reasonable accommodations in accordance with applicable law. This job description is not intended to be a complete list of duties and responsibilities, which may change at any time with or without notice. Employment is at-will where permitted by law, meaning either the employee or the Company may terminate employment at any time, with or without cause or notice, subject to applicable legal requirements.