Senior Systems Engineer - Lead Mission-Critical Programs

Four Sea Group, Inc.; Colorado Springs (CO); On-site; USD 194,000 - 262,000; Full time

Benefits offered by this job

ESOP ownership

Generous PTO and flexible time-off

Competitive compensation

Job summary

Four Sea Group, Inc. is seeking a Senior Systems Engineer to lead high‑impact, mission‑critical programs. You will guide cross‑team efforts, shape requirements, and drive architecture decisions in secure environments.

You will mentor engineers, manage risk, and coordinate with software, hardware, and tests to ensure on‑time delivery. A TS/SCI clearance is required and you will operate within defense and space systems.

Qualifications

• Bachelor's degree in Systems Engineering, Aerospace Eng., Electrical Eng., Computer Eng., Mechanical Eng. or another STEM field required.
• 10+ years of relevant systems engineering experience.
• Experience leading complex systems engineering across integrated teams or subsystems.
• Lifecycle experience: requirements development, decomposition, interfaces, integration, verification, planning.
• Experience with requirements management, baselines, traceability, dependency management, cross-team coordination.
• Experience participating in or supporting design reviews and system maturity reviews.
• Strong systems analysis and independent work in complex environments.
• Strong written and verbal communication skills.
• Active TS/SCI clearance required.

Responsibilities

• Lead complex systems engineering efforts across multiple teams, subsystems, or program workstreams.
• Define and drive approaches related to requirements development, decomposition, interfaces, integration, verification, and technical planning.
• Establish or improve systems engineering methods, structures, and best practices.
• Lead resolution of complex cross-team issues involving requirements, dependencies, interfaces, integration, or mission alignment.
• Support system architecture thinking, technical roadmaps, and program tradeoff decisions.
• Maintain alignment across software, test, integration, and program teams to support successful delivery.
• Identify technical risks, communicate tradeoffs, and recommend practical mitigation strategies.
• Provide mentorship and technical guidance to engineers and technical leads across the team.
• Support technical shaping and evolving program needs through customer priorities and execution risk.
• Contribute to mission-focused execution in secure, customer-driven environments.

Skills

Lead cross-team systems engineering

Systems engineering lifecycle

Requirements management & traceability

Strong communication skills

Active TS/SCI clearance

Education

Bachelor's degree in STEM or related engineering field

Tools

SysML

Cameo

DOORS

UML

Job description

Four Sea Group, Inc. is seeking a Senior Systems Engineer to lead high‑impact, mission‑critical programs. You will guide cross‑team efforts, shape requirements, and drive architecture decisions in secure environments.

You will mentor engineers, manage risk, and coordinate with software, hardware, and tests to ensure on‑time delivery. A TS/SCI clearance is required and you will operate within defense and space systems.