Senior Software Engineer
Company: RTX
Location: Marlborough
Posted on: April 2, 2026
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Job Description:
Date Posted: 2026-02-17 Country: United States of America
Location: US-MA-MARLBOROUGH-MA2 ~ 1001 Boston Post Rd ~ BLDG 2
Position Role Type: Onsite U.S. Citizen, U.S. Person, or
Immigration Status Requirements: Active and transferable U.S.
government issued security clearance is required prior to start
date.? U.S. citizenship is required, as only U.S. citizens are
eligible for a security clearance? Security Clearance Type: DoD
Clearance: Secret Security Clearance Status: Active and existing
security clearance required on day 1 At Raytheon, the foundation of
everything we do is rooted in our values and a higher calling – to
help our nation and allies defend freedoms and deter aggression. We
bring the strength of more than 100 years of experience and
renowned engineering expertise to meet the needs of today’s mission
and stay ahead of tomorrow’s threat. Our team solves tough,
meaningful problems that create a safer, more secure world. We are
seeking Senior Software Engineers to join our development team in
Marlborough, Massachusetts. All teams develop software in a variety
of languages including C++, C, and several others. Candidates can
expect to work on many if not all the phases of the software
development life cycle. In this position, you will be responsible
for providing practical solutions to difficult technical software
problems. You can expect to support multiple programs and multiple
platforms within a software product line. Software Engineering
positions include working on a variety of different tasks including
real-time software development, application software development,
test and verification, data analysis, software tools development,
and many others. This role will be 100% on-site in Marlborough,
Massachusetts. What You Will Do Assist and participate in the
requirements, design, development and testing of real-time embedded
software, application software, and tools, to include development
of new work products or enhancement of existing applications and
systems. Design, code, test, integrate, and document software
solutions. Participate in internal review of software components
and systems. Collaborate with project managers and other
professionals within Engineering. Follow established development
practices and processes to maintain the configuration management of
software products. Qualifications You Must Have Typically requires
a Bachelor’s in Science, Technology, Engineering, or Mathematics
(STEM) and a minimum of 5 years of experience. Experience with C++,
C, and/or Java. Active and transferable U.S. government issued
Secret security clearance is required prior to start date. U.S.
citizenship is required, as only U.S. citizens are eligible for a
security clearance. Qualifications We Prefer Knowledge of data
structures and algorithms, systems software design, operating
systems, architectures, software development life cycle and
processes. Experience in software development, and with Windows and
Linux Operating Systems, GIT, Jira, Jenkins, Perl, Bash, and
Kornshell. Experience developing software in a team-based
development environment, preferably Agile/SCRUM, DevOps and test
automation. Strong problem-solving and communication skills,
including ability to produce technical documentation, and the
desire to learn new technologies and tools. Able to travel domestic
and international. Demonstrated ability to work effectively with
coworkers. Demonstrated ability to work with colleagues who
represent multiple work and conflict resolution styles. What We
Offer 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. Relocation Eligible – Relocation assistance available.
Learn More & Apply Now Please consider the following role type
definition as you apply for this role. Onsite: Employees who are
working in Onsite roles will work primarily onsite. This includes
all production and maintenance employees, as they are essential to
the development of our products. This position requires a security
clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an
agency of the Department of Defense, handles and adjudicates the
security clearance process. More information about Security
Clearances can be found on the US Department of State government
website here: https://www.state.gov/m/ds/clearances/c10978.htm 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. The
salary range for this role is 86,800 USD - 165,200 USD. The salary
range provided is a good faith estimate representative of all
experience levels. RTX considers several factors when extending an
offer, including but not limited to, the role, function and
associated responsibilities, a candidate’s work experience,
location, education/training, and key skills. Hired applicants may
be eligible for benefits, including but not limited to, medical,
dental, vision, life insurance, short-term disability, long-term
disability, 401(k) match, flexible spending accounts, flexible work
schedules, employee assistance program, Employee Scholar Program,
parental leave, paid time off, and holidays. Specific benefits are
dependent upon the specific business unit as well as whether or not
the position is covered by a collective-bargaining agreement. Hired
applicants may be eligible for annual short-term and/or long-term
incentive compensation programs depending on the level of the
position and whether or not it is covered by a
collective-bargaining agreement. Payments under these annual
programs are not guaranteed and are dependent upon a variety of
factors including, but not limited to, individual performance,
business unit performance, and/or the company’s performance. This
role is a U.S.-based role. If the successful candidate resides in a
U.S. territory, the appropriate pay structure and benefits will
apply. RTX anticipates the application window closing approximately
40 days from the date the notice was posted. However, factors such
as candidate flow and business necessity may require RTX to shorten
or extend the application window. 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. Privacy Policy and Terms:
Click on this link to read the Policy and Terms
Keywords: RTX, Arlington , Senior Software Engineer, IT / Software / Systems , Marlborough, Massachusetts
