Senior Systems Integration Engineer – Mechanical

Sierra Space

. Provide alignment, connection, and direction to the technical team throughout the product development lifecycle .

Posted 9/24/2026full-timeCentennial • Colorado • United StatesSenior💰 $143,700 - $197,609 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Systems Engineering principles, including systems development lifecycle, requirements management, and systems integration. Capable of leading mechanical system design, overseeing hardware testing, and ensuring compliance with stringent performance measures.

Highest-signal resume keywords

Systems Engineering PrinciplesRequirements ManagementMechanical System DesignSystems IntegrationCurrent U.S. Security Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Systems Development LifecycleRequirements ParsingSystems Architecture DevelopmentVerification and ValidationMechanical Test DefinitionDigital Engineering CapabilitiesMass TrackingCenter of Gravity AnalysisMoments of Inertia CalculationTechnical Performance Tracking

Soft Skills

Problem-Solving SkillsAttention to DetailCommunication with EngineersMentoring EngineersAdaptability to Fast-Paced Environment

Tools & Technologies

DOORSCAMEO EARhapsodyMatlabSysML

Certifications & Qualifications

INCOSE Standards Certification

Industry Keywords

Spacecraft SystemsProject Management MethodologiesRisk ManagementConfiguration ManagementTechnical Baselines

Tech Stack

Tools & technologies

Assembly

About the role

Key responsibilities & impact

Provide alignment, connection, and direction to the technical team throughout the product development lifecycle
Champion the integrated-system viewpoint during system development
Decompose stakeholder requirements top-down and perform bottom-up system validation and verification
Shepherd the team through technical development milestones
Track performance measures and identify technical risks
Lead systems engineering scope and develop systems thinking in others
Oversee physical integration, assembly, and testing of spaceflight hardware
Ensure structural, thermal, mechanism, and propulsion subsystems meet system-level requirements and survive harsh environments
Drive proactive mechanical architecture decisions across the program
Lead cohesive mechanical system and subsystem design
Advise the SV Lead and Chief Engineer on mechanical system-level impacts and risks
Maintain Mechanical Interface Control Documents between payloads, subsystems, and the bus
Identify and resolve physical, envelope, and mating conflicts
Track and report system-level mass, center of gravity, and moments of inertia
Lead mechanical test definition and planning
Support AI&T for mechanical nonconformances and ensure their closure
Design mechanical systems from concept through production and flight test
Support integration, manufacturing, ground test, and flight operations
Improve engineering workflows, design standards, and digital engineering capabilities

Requirements

What you’ll need

Bachelor's degree in a related field, or equivalent work experience in lieu of degree, or Master's degree plus 8 years of experience
Typically 10+ years of related experience, or Master's degree plus 8 years of experience
Expertise in Systems Engineering principles and practices, including the systems development lifecycle
Experience with requirements management, functional requirements parsing, derivation, and allocation
Experience developing systems architecture and performing systems integration, verification, and validation activities
Ability to work and communicate with technical and specialty subject matter expert engineers
Current/active Secret U.S. Security Clearance required
U.S. Citizenship required
Preferred: Master's degree in Engineering, Physics, or related field
Preferred: Experience with DOORS, CAMEO EA, Rhapsody, Matlab, and SysML
Preferred: Understanding of spacecraft systems, project management methodologies, risk management, technical performance tracking, configuration management, and technical baselines
Preferred: Experience leading projects and mentoring engineers
Preferred: Experience or certification in INCOSE standards
Preferred: Excellent problem-solving skills and attention to detail
Preferred: Ability to adapt to a fast-paced and dynamic work environment

Benefits

Comp & perks

Medical, dental, and vision plans
401(k) with 150% match up to 6%
Life insurance
3 weeks paid time off
Personal and professional development opportunities
Reasonable accommodations for applicants with disabilities