Find work in the United States.

A simpler way to find your next job.

Jobs in the United States

25+ jobs

Save this search

Added 1 min ago
Senior Software Engineer (Runtimes)
HeroDevs, Inc.
Remote, United States
We are seeking a Senior Software Engineer to join our Never-Ending Support (NES) team. This role is specifically focused on developing and proving out new product lines in our runtimes. You…
Added 50 mins ago
Systems Administrator
ExecRecruitment
Detroit, MI
Client is seeking qualified on-site Systems Administrators (Engineers) who will utilize their knowledge, skills, and abilities to install, manage, maintain, and troubleshoot an enterprise…
Added 56 mins ago
Senior Windows Engineer
MANTECH
Laurel, MD
MANTECH is seeking a motivated, career and customer-oriented Senior Windows Engineer, to join our team in Laurel, MD.
Added 56 mins ago
System Administrator
MANTECH
Laurel, MD
Configure, administer, and maintain Windows Server operating systems, Active Directory (AD), and associated enterprise services.
Added 1 hour ago
Cloud Systems Engineer
Neptune
Altoona, PA
As a Cloud Systems Engineer you will be responsible for the implementation, maintaining, and supporting cloud infrastructure that powers our software platforms. You will handle…
Added 1 hour ago
System Engineer
Exegy
St Louis, MO
We are seeking an experienced System Engineer to join our Managed Services Engineering (MSE) team in St. Louis, MO. You will be our lead specialist in Linux systems, bare-metal…
Added 1 hour ago
Senior Network Engineer / FISMA Compliance Support - PCLOB
NEMEAN SOLUTIONS LLC
DC
Maintain highly available network services and support integrations with Windows Server, Hyper-V, Linux, server virtualization, Active Directory/identity and access services, Citrix, and…
Added 1 hour ago
Software Engineer
PeopleTec, Inc.
HUNTSVILLE, AL
The successful candidate will be an adaptable, agile, experienced software engineer who is a consummate team player capable of spearheading the design and integration of software systems in…
Added 1 hour ago
Site Reliability Engineer II
JPMC page
Tampa, FL
Familiarity with containers or a common server operating system such as Linux or Windows
Added 1 hour ago
Senior DevOps Engineer
Expression
Remote, United States
Expression is seeking an experienced Senior DevOps Engineer to support the National Telecommunications and Information Administration (NTIA) Federal Spectrum Data Systems (FSDS) program…
Added 1 hour ago
DevOps Engineer
Expression
Remote, United States
Expression is seeking a mid-level DevOps Engineer to support the National Telecommunications and Information Administration (NTIA) Federal Spectrum Data Systems (FSDS) program within the…
Added 1 hour ago
Senior Principal Software Engineer
RTX
United States
Working knowledge of Linux, VxWorks or other Real time operating systems
Added 1 hour ago
Principal Platform Software Engineer (Onsite)
RTX
United States
The Principal Platform Software Engineer would be involved with development and implementation of traditional compute, network, storage systems and related deployments, as well as support…
Added 1 hour ago
NoC Operations Lead
Hitachi Digital Services LLC
Remote, United States
o Windows & Linux server administration (basic troubleshooting L1 and L 1.5)
Added 1 hour ago
On-Site Service Engineer – Data Center / Server Hardware
Unisys Corporation
Denton, TX
Troubleshoot issues involving server hardware, BIOS/firmware, operating systems, and hardware diagnostics
Added 1 hour ago
YH
Paranoids Senior Container Security Engineer
Yahoo Holdings Inc.
United States
- $128,250 to $266,875 USD / year
Acting as the hands-on domain specialist for securing the on-premises Linux, Baremetal, Windows, and other distro hosts that container workloads run on, including host hardening, container…
Added 2 hours ago
N
Principal Customer Sucess Engineer
NetScout
Remote, United States
- $94,500 to $130,000 USD / year
NETSCOUT is continuing to grow & our Services Team is expanding! We are currently seeking a Customer Success Engineer to work in this fast-paced technology environment with world-class…
Added 2 hours ago
Principal ScienceLogic Skylar 1/SL1 Engineer
Global Enterprise Services, LLC
Fort Meade, MD
…of Azure infrastructure, enterprise networking, Windows and Linux systems, cybersecurity, and monitoring architecture. The engineer will work closely with cloud, network, cybersecurity,…
Added 2 hours ago
Senior Storage Engineer
Global Enterprise Services, LLC
Fort Belvoir, VA
GES is seeking an experienced Senior Storage Engineer to design, implement, administer, and optimize enterprise storage platforms in Fort Belvoir, VA. This role is responsible for ensuring…
Added 2 hours ago
Lead Software Development Engineer - AI Engineering
The ODP Group, LLC
Austin, TX
The role of Lead Software Development Engineer is to design, build and maintain high quality technology solutions that deliver an exceptional customer experience. Working as an integral…
Added 2 hours ago
GMS Development Program – Entry Level Power & Computer Engineer
ERCOT
Austin, TX
Support applications on a variety of Operating Systems such as Windows/Linux
Added 2 hours ago
Network Engineer 2
IGT, a Nevada Corporation
Reno, NV
The Network Engineer II is responsible for supporting critical Class III Wide Area Progressive (WAP) gaming infrastructure across production, laboratory, datacenter, and customer…
Added 2 hours ago
Network Engineer
Set of X
Ft Meade; Hanover, MD
Awareness of data center operations and network-based server systems.
Added 2 hours ago
OM
VP, Data Engineer
OTC Markets Group Inc
New York, NY
- Up to $180,000 USD / year
OTC Markets Group Inc., operator of premier US financial marketplaces, is seeking a Data Engineer to join our IT Infrastructure team. We’re looking for a talented and driven Data Engineer…
Added 2 hours ago
IT Systems Engineer
DNV
Austin, TX
We are looking for a Systems Engineer to join our Operations team and provide operational support for SCADA systems deployed across remote renewable energy plants worldwide. This role…

RTX

Senior Principal Software Engineer

United States

The salary range for this role is 132,400 USD - 251,600 USD.

Apply About employer

Applications open in a new tab.

Job details

Pay: The salary range for this role is 132,400 USD - 251,600 USD.
Posting language: English
Posted: Nov 2, 2026

Original job description

Date Posted:

2026-11-02

Country:

United States of America

Location:

US-FL-LARGO-382ST ~ 7887 Bryan Dairy Rd ~ BLDG 400

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:

Secret - Current

Security Clearance Status:

Active and existing security clearance required on day 1

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

Collins Aerospace is a leader in technologically advanced, intelligent solutions that help redefine the aerospace and defense industry. With a comprehensive portfolio and deep technical expertise, we help customers meet the demands of the global market. Join us and help shape the future of aerospace and defense. Raytheon Company, Managed by Collins Aerospace

Collins Aerospace, an RTX company, is a leader in engineering and proposal teams to successfully execute programs and prepare responsive proposals aimed at making the world a safer place. Come support those who provide us with all the freedoms we enjoy. Our commitment to providing an environment that supports innovation, teamwork, and growth opportunities are primary reasons engineers come to work at RTX.

The Strategic Communication Software (SW) Engineering Department has an opportunity for a talented Sr Principal Software Engineer to join our team. This position will be onsite in Largo Florida and requires a current secret DoD clearance

What You Will Do

Participate in 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
Full-time on-site position

Qualifications You Must Have

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
Experience in Software Engineering to include experience working various phases of the software development lifecycle
Prior experience in a technical or team leadership role, such as SW Architect, SW Lead etc
Experience with Software Development Using ADA, C/C++, Java
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
Applied experience in Unified Modeling Language (UML) and Object-Oriented Analysis and Design (OOA/D)
Experience working in a collaborative team environment that requires communication with other engineering disciplines, Program, and external stakeholders
Mentoring experience with junior engineers
Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 10 years prior relevant experience or an Advanced Degree in a related field and minimum 8 years of experience

Qualifications We Prefer

Understanding 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 DevOps, Jenkins and automated testing
Experience with Model Driven Development (MDD)
Experience with software integration on custom hardware
FPGA interfaces (memory mapped and SW/FW messaging) experience
Working experience with Microservice Architectures and Containerized Applications
Versal (ARM assembly) knowledge
Performance optimization experience
CORBA messaging experience
Experience with TCP/IP, UDP/IP messaging, and client/server architecture
Scripting language (e.g. Python)

What We Offer:

Some of our competitive benefits package includes:

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 you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
Birth, adoption, parental leave benefits
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
Eligible for relocation
And more!

Learn More & Apply Now

#MISENG

At Collins, the paths we pave together lead to limitless possibilities. And the bonds we form – with our customers and with each other -- propel us all higher, again, and again. Apply now and be part of the team that’s redefining aerospace, every day.

Do you want to be a part of something bigger? A team whose impact stretches across the world, and even beyond? At Collins Aerospace, our Mission Systems team helps civilian, military and government customers complete their most complex missions - whatever and wherever they may be. Our customers depend on us for intelligent and secure communications, missionized systems for specialized aircraft and spacecraft and collaborative space solutions. By joining our team, you’ll have your own critical part to play in ensuring our customers succeed today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.

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 132,400 USD - 251,600 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

Apply About employer

More about this job

Skills

Research
Teamwork
Communication skills
Software development
Team leadership
C
C++
Oracle Java
RTOS
Linux
UML
Coaching
Agile
Scrum
CI/CD
DevOps
Jenkins
Test automation
Assembly
Python

Report this job