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Who We Are:

At SES Space & Defense, we deliver secure, resilient connectivity and integrated space solutions for customers operating in the world's most demanding environments. As part of SES S.A., a global leader in satellite-enabled communications, we combine capabilities across all orbits with extensive global ground infrastructure, managed networks, hosted payload solutions, and mission integration services to support communications, sensing, data transport, and operational resilience worldwide.

Our vertically integrated space and ground capabilities bring together satellite capacity, terrestrial infrastructure, advanced network technologies, and deployed user terminals to support mission-critical government operations around the world. We are a trusted partner to the U.S. Federal Government and national security community, allied governments, NATO, NASA, and other civilian agencies, delivering reliable, high-performance solutions when mission success is critical.

At SES Space & Defense, our people are our competitive advantage. You'll work alongside a mission-driven team committed to integrity, innovation, accountability, and delivering real-world impact for customers whose missions matter most.

#LI-Remote

*** This position is contingent upon contract award ***

What You'll Do:

In this role, you'll execute the systems engineering lifecycle supporting sensor transport and C2ISR mission capabilities across SATCOM, terrestrial, and hybrid network environments. You'll serve as a technical leader responsible for requirements decomposition, system integration, verification and validation (V&V), fielding, and lifecycle sustainment while partnering with cross-functional engineering teams to deliver secure, resilient, and mission-ready transport solutions.

• Execute the full systems engineering lifecycle for sensor transport systems, including requirements decomposition, system design, integration, verification and validation (V&V), fielding, and operational sustainment.
• Develop, maintain, and manage system specifications, interface control documents (ICDs), engineering documentation, and technical baselines supporting enterprise C2ISR transport architectures.
• Engineer, integrate, and optimize SATCOM and terrestrial transport solutions, including RF terminals, gateways (RGEPS/IGEPs), IP transport, cross-domain solutions, edge computing platforms, and cloud-enabled services.
• Lead system integration, testing, deployment, technology refresh, and modernization initiatives while ensuring performance, scalability, reliability, and mission readiness.
• Author engineering test plans, procedures, and acceptance criteria; conduct factory acceptance testing (FAT), site acceptance testing (SAT), and support turnkey gateway installations and Tactical Reconnaissance Kit (TRK) FMV transport path deployments.
• Perform advanced troubleshooting, root-cause analysis, performance optimization, and technical assessments to resolve complex system and transport issues while collaborating with Network Operations Center (NOC) and operational support teams.
• Develop and maintain RMF documentation, ATO evidence, STIG implementation, configuration baselines, and configuration/change management artifacts supporting cybersecurity compliance.
• Support site activations, network cutovers, field installations, and CONUS/OCONUS deployments while ensuring successful integration into operational mission environments.
• Collaborate with software, network, cybersecurity, and program management teams to deliver secure, compliant, and integrated enterprise transport solutions.
• Capture operational lessons learned and engineering recommendations to continuously improve system architecture, transport performance, and future modernization efforts.

Who You Are:

You are an experienced Systems Engineer with a strong background in C2ISR transport systems, systems engineering, and mission-critical communications supporting Department of Defense or Federal Government customers. You combine technical expertise with a disciplined systems engineering approach to design, integrate, validate, and field complex transport solutions while collaborating across multidisciplinary engineering teams.

• Active U.S. Government Secret security clearance with the ability to maintain the required clearance; U.S. Citizenship required.
• Current DoD 8570/8140 Information Assurance Technical (IAT) Level III certification.
• Bachelor's degree in Systems Engineering, Electrical Engineering, Computer Engineering, Information Technology, Computer Science, or a related technical discipline, or equivalent professional experience.
• Six (6) to eight (8) or more years of systems engineering experience supporting C2ISR transport systems through requirements development, system design, integration, verification and validation, and operational fielding.
• Hands-on experience integrating SATCOM, baseband systems, RF terminals, gateways, IP/MPLS transport networks, and supporting site activations, network cutovers, and operational deployments.
• Experience developing engineering specifications, Interface Control Documents (ICDs), test plans, test procedures, and technical documentation supporting system integration and acceptance testing.
• Experience supporting RMF, ATO package development, STIG implementation, vulnerability remediation, configuration management, and formal engineering change control processes.
• Strong analytical, troubleshooting, systems integration, and root-cause analysis skills with experience supporting complex operational and mission-critical environments.
• Experience with scripting, automation, or infrastructure orchestration tools (e.g., PowerShell, Python, Bash, or Ansible) is preferred.
• Excellent written and verbal communication skills with the ability to effectively engage engineering teams, customers, and program leadership.

This role is  onsite at Pop

SES Space & Defense is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to any characteristic protected by applicable federal, state, or local law

The anticipated base salary range for this position is $[MIN] to $[MAX]. The final base salary offered will be determined based on factors such as the position's location, the candidate's relevant skills, experience, and qualifications.

Where applicable, this position may also be eligible for an annual bonus. Employees are eligible to participate in SES Space & Defense's benefits programs, which include paid vacation, sick and personal leave; medical, dental, vision, life, and disability insurance; a 401(k)-retirement plan; and others.