Senior Systems Engineer - Mission-Critical & Secure

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

Benefits offered by this job

ESOP ownership

Competitive compensation

Generous PTO

Job summary

Four Sea Group, Inc. in Colorado Springs is seeking a Senior Systems Engineer to lead complex, high-impact systems engineering for mission-critical programs.

You will navigate ambiguous challenges, define engineering approaches, and reduce technical risk across teams. The ideal candidate has deep lifecycle experience, strong mission judgment, and can mentor engineers while guiding technical direction in secure, high-performance environments.

Qualifications

• Bachelor’s degree in Systems Engineering, Aerospace Engineering, Electrical Engineering, Computer Engineering, Mechanical Engineering, or another relevant STEM field.
• 10+ years of relevant systems engineering experience.
• Experience leading complex systems engineering across integrated technical teams, subsystems, or program areas.
• Experience across the systems engineering lifecycle, including requirements development, decomposition, interface definition, integration, verification, and technical planning.
• Experience with requirements management, technical baselines, traceability, dependency management, and cross-team coordination.
• Experience participating in or supporting technical design reviews and system maturity reviews.
• Strong systems analysis skills and ability to work independently in complex, ambiguous technical environments.
• Strong written and verbal communication skills.
• Active TS/SCI clearance

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 that strengthen execution quality.
• 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 strong awareness of customer priorities, mission requirements, and execution risk.
• Contribute to mission-focused execution in secure, customer-driven environments.

Skills

Systems engineering leadership

Requirements development

Cross-team coordination

Technical mentorship

Strong written and verbal comm.

Independent work in complex envs

Mission-focused mindset

Education

Bachelor’s degree in Systems Engineering or STEM field

Tools

SysML

Cameo

DOORS

UML

Job description

Four Sea Group, Inc. in Colorado Springs is seeking a Senior Systems Engineer to lead complex, high-impact systems engineering for mission-critical programs.

You will navigate ambiguous challenges, define engineering approaches, and reduce technical risk across teams. The ideal candidate has deep lifecycle experience, strong mission judgment, and can mentor engineers while guiding technical direction in secure, high-performance environments.