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  1. Home
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  5. Senior C/C++ Software Development Engineer
Raytheon logo

Senior C/C++ Software Development Engineer

Not Disclosed•Full-TimeOn-site

location_on95, Boston Road, Chelmsford, Middlesex County, Massachusetts, 01824, United States

Apply Now

About RTX and Raytheon

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose to solve the world's most complex problems. With three market-leading businesses and world-class operations, we push the boundaries of known science to connect and protect our world.

Raytheon brings over 100 years of experience and renowned engineering expertise to meet today's mission needs and stay ahead of tomorrow's threats. We deliver solutions that help our nation and allies defend freedoms, creating a safer, more secure world.

About the Role

We are seeking a skilled Senior Software Engineer to join the Patriot Software Team in Tewksbury, Massachusetts. Patriot is the world's pre-eminent air defense system, and we are currently developing software to support new system capabilities. In this role, you will work closely with software developers, system architects, and product leads to ensure that the solutions we deliver meet our customers' requirements.

You will have the opportunity to work in a dynamic, fast-paced environment where your contributions will have a direct impact on the success of our products around the world. This position operates within a SCIF (Sensitive Compartmented Information Facility) environment and offers an optional 9/80 schedule to accommodate work/life balance practices. The role requires exclusive onsite presence.

Location and Culture

This position is based in Tewksbury, Massachusetts. Living in this area provides easy access to the ocean and locations of historical significance. Residents can enjoy varied outdoor activities ranging from hiking and camping to cross-country skiing and snowmobiling. Massachusetts is recognized as one of the best states to call home.

Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX, we value Safety, Trust, Respect, Accountability, Collaboration, and Innovation.

Hiring Process and Application

This position requires an active and transferable U.S. government-issued security clearance (Secret) prior to the start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance. The DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process.

As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid, or remote.

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 state or federal protected class. 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.

Work location

Work model: On-site

location_on

95, Boston Road, Chelmsford, Middlesex County, Massachusetts, 01824, United States

Chelmsford, Massachusetts

Key Responsibilities

  • check_circleDesign, develop, and maintain software applications using C and C++ for complex real-time systems
  • check_circleCollaborate with cross-functional teams to define, design, and implement new features
  • check_circleTroubleshoot, debug, and optimize existing code for performance and efficiency
  • check_circleWrite and maintain comprehensive documentation for software applications and system architecture
  • check_circleParticipate in code reviews to ensure adherence to coding standards and best practices
  • check_circleStay current with industry trends and advancements in C/C++ technologies
  • check_circleOccasionally perform light travel and off-hours testing on 2nd or 3rd shifts

Requirements

  • verifiedU.S. citizenship required
  • verifiedActive and transferable U.S. government issued security clearance (Secret) required
  • verifiedAbility to obtain INTERIM U.S. government issued security clearance required
  • verifiedDegree in STEM required
  • verifiedMinimum 5 years of prior relevant experience
  • verifiedExperience developing complex systems using C/C++
  • verifiedExperience in embedded systems, real-time systems, or large-scale applications
  • verifiedExperience in a Unix/Linux operating system

Nice to Have

Active Secret security clearance. Understanding of data structures, algorithms, and software design principles, particularly in high-concurrency and distributed systems. Experience with multithreading, memory management, and performance optimization in complex environments. Experience with Network Communication Protocols, Shell Scripting (tcsh, csh, bash), software development tools like Git/Clearcase, software debuggers, and using embedded RTOSs (e.g. VxWorks, Integrity). Experience with version control systems (e.g., Git). Experience with software development methodologies (Agile, Scrum, etc.).

Benefits & Perks

check_circleMedical, dental, vision, life, short-term and long-term disability insurancecheck_circle401(k) matchcheck_circleFlexible spending accountscheck_circleFlexible work schedulesEmployee assistance program
Raytheon logo
Company

Raytheon

Industry

it

View company profilearrow_forwardlanguageWebsite
Quick Overview

Experience

5+ yrs (Senior)

Job Type

Full-Time

Skills Required

C

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Frequently asked questions about Senior C/C++ Software Development Engineer at Raytheon

What does a Senior C/C++ Software Development Engineer at Raytheon do?expand_more
In this Senior C/C++ Software Development Engineer at Raytheon role, you will design, develop, and maintain software applications using c and c++ for complex real-time systems; collaborate with cross-functional teams to define, design, and implement new features; troubleshoot, debug, and optimize existing code for performance and efficiency; and write and maintain comprehensive documentation for software applications and system architecture.
What are the requirements for this Senior C/C++ Software Development Engineer role?expand_more
To qualify for the Senior C/C++ Software Development Engineer at Raytheon position, applicants should have: U.S. citizenship required; Active and transferable U.S. government issued security clearance (Secret) required; Ability to obtain INTERIM U.S. government issued security clearance required; Degree in STEM required; Minimum 5 years of prior relevant experience; and Experience developing complex systems using C/C++.
Where is the Senior C/C++ Software Development Engineer role at Raytheon located?expand_more
Senior C/C++ Software Development Engineer at Raytheon is based in 95, Boston Road, Chelmsford, Middlesex County, Massachusetts, 01824, United States. This is a on-site role.
Is this Senior C/C++ Software Development Engineer job remote, hybrid, or on-site?expand_more
Raytheon has listed this Senior C/C++ Software Development Engineer role as on-site.
How much experience is required for this Senior C/C++ Software Development Engineer role?expand_more
Senior C/C++ Software Development Engineer at Raytheon typically requires 5+ years of relevant experience at the senior level.
What skills do you need for the Senior C/C++ Software Development Engineer role at Raytheon?expand_more
Key skills for Senior C/C++ Software Development Engineer at Raytheon include C; Embedded Systems; Real-Time Systems; Unix; Linux; Data Structures; Algorithms; and Software Design Principles.
What category does the Senior C/C++ Software Development Engineer role belong to?expand_more
Senior C/C++ Software Development Engineer at Raytheon is part of the it job category on Recrutus.
Recrutus

Curating the world's most innovative career opportunities. We bridge the gap between visionary talent and industry-leading companies.

Search roles by city, category, skill, or job type — explore verified US employers, salary benchmarks, and remote-friendly teams hiring nationwide.

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Browse jobsCompanies hiringRemote jobsJobs by locationJobs by cityJobs by categoryJobs by skillCareer guidesCareer blogSalary insights
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CDL A jobsExcel jobsEnglish jobsMicrosoft Office jobs
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Company
About usFAQContactPrivacy policy

Recrutus helps candidates discover roles that match their skills and helps teams reach qualified applicants faster. Browse by metro, discipline, or work style — from internships to senior leadership.

© 2026 Recrutus. All rights reserved.
Terms of serviceCookie policyAcceptable useDMCA policyEmployer termsCandidate terms
check_circle
check_circleEmployee Scholar Program
check_circleParental leave
check_circlePaid time off and holidays
check_circleRelocation assistance
check_circleOptional 9/80 work schedule
Embedded Systems
Real-Time Systems
Unix
Linux
Data Structures
Algorithms
Software Design Principles
High-Concurrency
US privacy notice
Accessibility