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Senior Principal Software Engineer; ONSITE

Job in Marlborough, Middlesex County, Massachusetts, 01752, USA
Listing for: Collins Aerospace
Full Time position
Listed on 2025-12-19
Job specializations:
  • Software Development
    Software Engineer, DevOps
Job Description & How to Apply Below
Position: Senior Principal Software Engineer (ONSITE)

Senior Principal Software Engineer (ONSITE)

Date Posted:

Location:

MA804:
Marlborough, MA Building 4 1001 Boston Post Road Building 4, Marlborough, MA, 01752 USA

Position Type:
Onsite

Citizenship: U.S. citizenship required for security clearance

Security Clearance:
Secret - Current

What You Will Do
  • Participate on collaborative, cross‑disciplined integrated product teams, often employing agile software development techniques
  • Responsible for the full lifecycle of product development, from architecture and design, through integration, test, and field support
  • Work and learn the highest software engineering process maturity level as recognized by the Software Engineering Institute
Qualifications You Must Have
  • Experience in Software Engineering including all phases of the software development lifecycle
  • Prior experience in a technical or team leadership role (e.g., SW Architect, SW Lead)
  • Experience with Software Development Using C++ or Java
  • Experience working in a collaborative team environment that requires communication with other engineering disciplines, program, and external stakeholders
  • Experience with real‑time operating systems (RTOS), embedded programming, processor/board architecture and design
  • Working knowledge of Linux, VxWorks or other real‑time operating systems
  • Typically requires a STEM degree and minimum 10 years of relevant experience or an advanced degree and minimum 7 years of experience
  • Active and transferable SECRET clearance required prior to start date
  • U.S. citizenship required, as only U.S. citizens are eligible for a security clearance
Qualifications We Prefer
  • Experience with Model‑Driven Development
  • Experience with software integration on custom hardware
  • Understanding of standard system engineering design artifacts such as Use Cases and SysML diagrams
  • Experience with Agile lifecycle process including Scrum, Continuous Integration, and Test‑Driven Development Methodologies
  • Experience with Dev Ops, Jenkins and automated testing
  • Applied experience in Unified Modeling Language (UML) and Object‑Oriented Analysis and Design (OOA/D)
  • Working experience with Microservice Architectures and Containerized Applications
What We Offer
  • Medical, dental, and vision insurance
  • Three weeks of vacation for newly hired employees
  • Generous 401(k) plan with employer matching 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 (pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal,  protection)
  • Birth, adoption, and 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 and wellness rewards program
  • Doctor on Demand and virtual doctor visits
  • Bright Horizons, child and elder care services
  • Teladoc Medical Experts and second opinion program
  • This position is eligible for relocation assistance
  • And more!
Apply Now

Join Collins Aerospace’s Mission Systems team to help civilian, military, and government customers complete their most complex missions. Apply today and become part of a team that’s redefining aerospace every day.

Employee Referral Eligible

As part of our commitment to a secure hiring process, candidates may be asked to attend select interview steps in person at one of our office locations, regardless of the role’s location designation.

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. RTX provides affirmative action in employment for qualified individuals with a disability and protected veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

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Position Requirements
10+ Years work experience
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