Principal Systems Engineer (Onsite)

Prattwhitney; Sudbury (MA); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) plan with employer matching

Tuition reimbursement program

Relocation assistance

Job summary

Collins Aerospace (an RTX company) is looking for a Principal Systems Engineer in the Strategic Communications team, based in Sudbury, MA. This role oversees the full lifecycle development of innovative solutions for communication systems, including SATCOM and secure switching networks.

Candidates should have a STEM degree and substantial experience, alongside an active Secret security clearance. The position offers comprehensive benefits including medical insurance, 401(k) plans, and educational assistance.

Qualifications

• Minimum 8 years of relevant experience or an advanced degree and minimum 5 years of experience.
• Active, transferable Secret security clearance.
• U.S. citizenship required.

Responsibilities

• Oversee the development of full lifecycle solutions from CONOPS to Validation.
• Manage moderately sized projects or processes.
• Analyze and document system behavior.

Skills

Integration and test experience

Proficient in Microsoft products, Jira, IBM EWM

Strong communication skills

Education

STEM degree

Tools

CAMEO

Rhapsody

Job description

Date posted: 2026-04-02.
Location: 1001 Boston Post Rd, Building 2, Marlborough, MA.
Role type: Onsite.
Security clearance: Active Secret clearance required.
U.S. citizenship required.

Collins Aerospace (an RTX company) is seeking a Principal Systems Engineer in the Strategic Communications team. The role involves creating creative and cost‑effective solutions for ground and airborne systems and supports a variety of communication systems including SATCOM, LOS radio terminals, and secure switching networks.

What You Will Do

• Oversee the development of full lifecycle solutions from CONOPS to Validation
• Act as a subject‑matter expert within the discipline with advanced to expert knowledge of the work area
• Oversee and perform lab activities including definition, set‑up, configuration management, and testing
• Ensure modeling, hardware, and software interfaces utilize a scalable ontology
• Oversee and support the integration of solutions within their target environment
• Coach, review, and delegate work of lower‑level professionals
• Contribute to the development of discipline goals and planning efforts (cost and schedule)
• Influence others regarding policies, practices, and procedures
• Manage moderately sized projects or processes
• Manage the entrance and exit criteria of design reviews, integration, dry run, and formal qualification testing
• Review, moderate and document major changes in systems or processes to solve difficult and complex problems
• Analyze and document system behavior
• Support system trade studies, requirements analysis, and allocation to subsystems

Qualifications You Must Have

• Strong integration and test experience including test procedure development, test execution, test reporting, and test automation
• Knowledge of or application of Earned Value Management System (EVMS)
• Proficient in tooling, e.g., Microsoft products, Jira, IBM EWM, etc.
• Typically requires a STEM degree and minimum 8 years relevant experience, or an advanced degree and minimum 5 years of experience
• Active, transferable Secret security clearance
• U.S. citizenship

Qualifications We Prefer

• Experience in communication radio and systems: SATCOM, LOS/BLOS, AEHF, PTW, or V/UHF
• Experience in Environmental Qualification Testing (EQT)
• Proficient in tooling including CAMEO, Rhapsody
• Experience in proposal support including writing Basis of Estimates (BOEs)
• Experience in System Level Integration, Verification, and Validation (IV&V) for ground, ship, submarine, or airborne platforms
• Experience in virtual machine design and deployment
• Excellent communication skills (written, verbal, and presentation) and ability to effectively communicate with IPT leaders, hardware and software development engineers, specialty engineers, program managers, and customers

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student loan repayment program
• Life insurance and disability coverage
• Optional coverages such as pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption assistance
• Autism benefit
• Employee assistance plan, including up to 10 free counseling sessions
• Healthy You incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• Relocation assistance
• Additional benefits (and more!)

Equal Opportunity Employer

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable protected class. RTX provides affirmative action for qualified individuals with a disability and protected veterans in accordance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.