Jobs in the United States

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Mechanical Engineer - Non Oily Waste (Part-time)
Noblis
Nashville, TN
- Part-time
Noblis MSD’s mission is to support the Naval Sea Systems Command (NAVSEA) and, Naval Surface Warfare Center (NSWCPD) and their missions’ to enable research, development, test and…
Added 2 mins ago
Senior Director Software Engineering
Capital One
Nashville, TN
12+ years of experience with Networking protocols and integration with third party distributed systems
Added 2 mins ago
Senior Mobile Android Engineer (Engineer III)
Elevance Health
Nashville, TN
The Senior Mobile Android Engineer (Engineer III) is responsible for the delivery of end-to-end system development and maintenance on complex technology systems within assigned client…
Added 3 mins ago
Senior Software Engineer
HCA Healthcare
Nashville, TN
This engineer can quickly learn, maintain and pragmatically improve existing solutions as well as design new ones. They will provide key problem resolutions for production systems as…
Added 3 mins ago
Database Reliability Engineer
HCA Healthcare
Nashville, TN
…application for the opportunity below: Database Reliability…
Added 3 mins ago
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Automated Test Engineer
Eliassen Group
Nashville, TN
- $40 to $50 USD / hour
Our client seeks an Automated Test Engineer to support Hivemind by monitoring and maintaining large volumes of automated tests, troubleshooting failures, and driving bug resolution across…
Added 3 mins ago
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Senior Director, Data Center Design & Engineering – AI Data Centers
CleanSpark
Remote, United States
- $200,000 to $250,000 USD / year
…approve commissioning agents and test scripts, witness integrated systems testing, and sign off on energization and turnover…
Added 3 mins ago
Technical Program Manager
Tiberius Aerospace Inc.
United States
Tiberius Aerospace builds next-generation weapon systems for the United States, the United Kingdom and their allies. We design, test and validate, then license production to qualified…
Added 4 mins ago
Sr. Automation & Controls Engineer (Components)
SpaceX
Hawthorne, CA
…to Earth orbit. We are looking for an automation & controls engineer to help SpaceX develop and build a great variety of automated solutions for Starship Production. This role will be…
Added 5 mins ago
Senior Windows Administrator
TekSynap
Albuquerque, NM
Collaborate with enterprise teams to maintain platform scalability and integration.
Added 7 mins ago
Associate, Electrical Engineer
L3Harris Technologies
Palm Bay, FL
Must have familiarity with common commercial RF design and analysis tools to design and analyze RF circuits and systems (i.e
Added 8 mins ago
Engineer, Cybersecurity
Venture Global LNG Inc
Arlington, VA
The Cybersecurity Engineer is responsible for designing, implementing, and maintaining security architecture and controls that protect the organization’s information systems, operational…
Added 11 mins ago
Senior Embedded Software Engineer, Embedded Linux & Rust
Intramotev
St. Louis, MO
Production systems programming on Linux in Rust or modern C/C++. Our services are written in Rust; if you are a strong C/C++ systems engineer who has written some Rust, including personal…
Added 13 mins ago
Senior Enterprise Infrastructure Engineer and Network Engineer
Akira Technologies Inc.
Marietta, GA
The successful candidate will provide enterprise infrastructure engineering, network administration, systems sustainment, integration, troubleshooting, and technical advisory services to…
Added 13 mins ago
Cloud Migration and Azure Engineer
Akira Technologies Inc.
Marietta, GA
The ideal candidate will have a strong background in enterprise infrastructure, cloud architecture, systems integration, and DoD cybersecurity requirements, with demonstrated experience…
Added 13 mins ago
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Sr. Software Engineer
BCC Software
Remote, United States
- $120,000 to $160,000 USD / year
BCC Software is seeking a senior engineer who can sustain and evolve business-critical C/C++ products while helping shape their path to a modern Microsoft technology stack. The ideal…
Added 14 mins ago
Mechanical Design Engineer – Manufacturing Equipment (Contract)
Peak Workforce (Newbold) LLC
Norwood, NC
Support the design and integration of pneumatic and mechanical systems.
Added 15 mins ago
Senior Unified Communications Engineer - Hybrid, Minneapolis MN
NMDP
Remote, United States
Strong troubleshooting, systems integration, networking, and security skills.
Added 16 mins ago
Lead Data Engineer
Lincoln Financial
Radnor, PA
The Lead Data Engineer provides technical leadership for Lincoln’s Data & Analytics platform on AWS. This role designs, builds, and maintains scalable data pipelines and optimizes data…
Added 17 mins ago
Communications Engineer (Experienced) - SEAL - Boston, MA - Open Rank
Boston, MA
…state-of-the-art solutions for tactical communications, sensor integration, and data analytics, with applications spanning AI/ML integration, decision support systems, and enhanced…
Added 19 mins ago
Senior Mechanical Engineer, Fluid Systems
Panthalassa
Portland, OR
We are seeking a Senior Mechanical Engineer, Fluid Systems to play a critical role in the design and development of the fluid systems that power our core technology, the “Node.” The Node…
Added 21 mins ago
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Principal Infrastructure Engineer / IT (PTX11926)
RealManage
Plano, TX
- $180,000 to $210,000 USD / year
Evaluate the broader technology landscape across the enterprise, identifying interdependencies between systems and platforms and developing integration strategies that reduce complexity and…
Added 21 mins ago
Systems Engineering I, SAOC SEIT, El Segundo (Onsite)
RTX
United States
Qualifications You Must Have
Added 21 mins ago
Systems Engineer (ONSITE)
RTX
United States
Qualifications You Must Have
Added 21 mins ago
Senior Systems Engineer (ONSITE)
RTX
United States
Qualifications You Must Have

RTX

Systems Engineering I, SAOC SEIT, El Segundo (Onsite)

United States

The salary range for this role is 62,900 USD - 119,700 USD.

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Job details

Pay: The salary range for this role is 62,900 USD - 119,700 USD.
Apply by: Dec 3, 2026
Posting language: English
Posted: Nov 12, 2026

Original job description

Date Posted:

2026-11-12

Country:

United States of America

Location:

US-CA-EL SEGUNDO-E01 ~ 2000 E El Segundo Blvd ~ BLDG E01

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

Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX.

What You Will Do

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.

At Collins Aerospace, you’ll have the opportunity to work on mission-critical communication solutions that support national defense and strategic nuclear deterrence. As a Systems Engineer I within Strategic Defense Solutions (SDS) – Survivable Airborne Operation Center (SAOC) System Engineering Integration and Test (SEIT) Team, you’ll collaborate with experienced engineers to solve complex problems, develop your technical skills, and contribute to systems that help keep our nation safe. You’ll support the development and delivery of advanced communication solutions that address critical customer and mission needs. We’ll provide the training, tools, and mentorship you need to succeed.

This role is in El Segundo, CA.

Perform in a cross-functional agile team.
Coordinate closely with a mentor to apply Collins Aerospace engineering processes.
Develop, decompose, and trace requirements for communications systems on military platforms, including air and ground applications.
Create logical and physical design diagrams using model-based systems engineering tools.
Conduct integration and testing for advanced communications solutions.

What You Will Learn

You will gain technical experience, mentorship opportunities, and exposure to very influential individuals within Mission Systems that will help advance your career.
You will gain valuable experience in Model Based System Engineering (MBSE) and utilize the latest modeling tools and next-generation systems engineering processes.
You will gain invaluable experience collaborating with our systems engineering experts, security and crypto certification specialists, customer base, and engineering teams, learning exactly what it takes to deliver a security hardened product.

Qualifications You Must Have

Bachelor’s degree in Science, Technology, Engineering or Mathematics (STEM) major obtained by start date.
Experience in systems or software engineering including capturing customer requirements, operations concept development, or deriving and tracing system and sub-system requirements.
Experience may be obtained through on-the-job experience, research, coursework, or projects.

Qualifications We Prefer

Experience developing, decomposing, and deriving system/sub-system requirements.
Experience in system/sub-system design definition.
Familiarity with both Agile and Waterfall development methodologies.
Experience with document management practices.
Experience with Atlassian tools such as Confluence and Jira.

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 Eligibility

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.

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 62,900 USD - 119,700 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.

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Jobs in the United States