Summary written by USA Jobs 24 from RTX's advert and our data on 17,030 current US jobs. How we check every job
At a glance
RTX is hiring a Senior Systems Engineer - MANTA SEIT (Onsite) in El Segundo, CA. It is a full-time role in Software & IT, asking for at least 5 years of experience, first listed on November 4. The description mentions Agile and Jira. RTX has 149 other openings in the US, 6 of them in El Segundo, CA. Across all employers on USA Jobs 24 there are 26 Software & IT openings in El Segundo, CA today; the typical one asks for 4 years and advertises about $141,000 a year at the midpoint.
How the pay compares
RTX has not published pay for this job, or we could not find it in the advert. Of the 1,798 software & IT jobs in California on USA Jobs 24, 77% show pay, and the typical yearly midpoint among them is $213,000. That gives you a fair starting point when the subject comes up. California has a pay transparency law that requires most employers to give a pay range for jobs there, so it is reasonable to ask the recruiter for it.
Skills in this advert
How often each skill named in this advert appears across the 4,670 software & IT jobs we list today. Agile is the most widely requested (13% of jobs), while Jira is the least common (4%). Widely requested skills are what employers expect as a baseline; rarer ones show what is special about this job.
Paste your resume and this advert into our resume match tool to see which of these words your resume already covers.
Before you apply
- Check it is still open. We found this job on RTX's Workday site on November 4 and checked it again November 4, 5:17 AM ET. When an employer takes a job down, we remove it at our next daily update.
- Check the location works for you. This role is based in El Segundo, CA. If you would need to move, ask whether relocation help is offered.
- Match the experience. The advert asks for at least 5 years of experience. If you are a little short, a close match on the skills in the advert can still win an interview.
- Tailor your resume. Use the advert's own words, such as Agile and Jira, wherever they are true for you. Our resume guide shows how.
- Apply only through RTX's own site. Our Apply button goes straight to RTX's Workday page. If anyone contacts you about this job and asks for money, gift cards or bank details, stop and check it with our scam checker. Read how to spot a fake job offer.
About hiring at RTX
RTX has 150 openings on USA Jobs 24 today across 23 states. Most are in software & IT (76), product & design (9) and operations (9). The biggest locations are Tucson, AZ (34), Andover, MA (11) and Hartford, CT (9). 10% of them are remote, 70% are open to entry-level candidates and 1% show pay. We collect RTX's jobs every day straight from its own careers system (Workday), never from job boards or agencies.
The employer's advert
This is RTX's own description of the job, copied word for word from its careers site. We have not edited it.
Show the full advert from RTXHide the advert1,183 words
Date Posted:
2026-11-03

Country:
United States of America

Location:
US-CA-EL SEGUNDO-E06 ~ 2010 E El Segundo Blvd ~ BLDG E06

Position Role Type:
Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements:
The ability to obtain and maintain a U.S. government issued security clearance is required. 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 after day 1Raytheon Company, Managed by Collins Aerospace
Join our MANTA SEIT Department as a Senior Systems Engineer, where you will play a critical role in supporting the development, integration, and validation of resilient navigation systems. You will contribute to cutting-edge solutions that enhance GPS receiver and navigation technologies.
The Multi-Domain Assured Navigation and Timing Applications (MANTA) product line is responsible for providing U.S. and coalition forces with accurate GPS navigation capability to successfully achieve their missions—free of disruption and jamming. GNS solutions equip manned aircraft, unmanned systems, precision weapons, and ground systems. These products include anti-jam systems, integrated GPS/INS navigators, high-performance Selective Availability Anti-Spoof Module (SAASM) receivers, and Military Code (M-Code) receivers.
Sign-on Bonus Eligible
What You Will Do
- Develop and manage software and hardware requirements, ensuring traceability throughout the engineering lifecycle.
- Create and maintain systems engineering documentation, including test plans, test procedures, and test reports.
- Support system integration, acceptance testing, troubleshooting, and requirements-based testing/verification and validation.
- Collaborate with multidisciplinary teams of engineers, including electrical, mechanical, software, and logistics professionals.
- Perform modeling and simulation tasks, including 6-DOF analysis, to evaluate system performance.
- Contribute to the design and analysis of guidance and navigation systems, including GPS receiver system design, integration, and test.
- Ensure compliance with industry standards such as RTCA, MIL-STD, requirements.
- Utilize commercial test equipment, such as oscilloscopes and signal generators, to support system development and testing.
Qualifications You Must Have
- Experience in hardware/software development, system integration, and requirements-based testing.
- Familiarity with guidance and navigation systems, including GPS receiver system design, integration, and test.
- Experience with test equipment/tools, technical design reviews, and production readiness.
- Familiarity with Agile development and tools such as JIRA and Confluence.
- Experience with requirements development, management, traceability, and allocation for systems, software, and hardware.
- The ability to obtain and maintain a U.S. government-issued Secret security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
- Typically requires a STEM bachelor’s degree and a minimum of 5 years of experience, or a minimum of 3 years of experience with an advanced degree.
Qualifications We Prefer
- Experience with Agile development and tools such as JIRA and Confluence.
- Proficiency in DOORS, DOORS NG tools for requirements management.
- Knowledge of industry standards such as MIL-STD-810, MIL-STD-461, MIL-STD-704, ARINC, and RTCA DO standards.
- Background in RF signal processing and experience with commercial test equipment, such as spectrum analyzers, logic analyzers, electronics, navigation (GPS or Inertial), modeling, and simulation.
- Familiarity with EVMS, ETCs, and ECPs.
Learn More & Apply Now
What We Offer:
Some of our competitive benefits packages include:
- 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, and ID theft protection
- Birth, adoption, 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, 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!
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 customer succeeds today while anticipating their needs for tomorrow. Are you up for the challenge? Join our mission today.
Please ensure the role type (defined below) is appropriate for your needs before applying to 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.
At Collins, the paths we pave together lead to limitless possibility. 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.
#MISENG
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 95,500 USD - 181,700 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.
Privacy Policy and Terms:
Click on this link to read the Policy and Terms
USA Jobs 24 copied this listing from RTX's official careers site on November 4, 2026 and checked it again November 4, 5:17 AM ET. RTX will never ask you to pay to apply or to buy equipment with a check they send you. If anyone does, it is a scam.
Something wrong with this listing? Tell us and we will look into it.
Get software & IT jobs in California by email
Similar software & IT jobs in El Segundo, CA
Sr. Principal Systems Engineer - Configuration Management
Northrop Grumman
CPLM / Configuration Control: Establish, maintain, and enforce effective configuration management processes using Collaborative Product Lifecycle Management (CPLM) systems.
- Redondo Beach, CA; El Segundo, CA
- $142,200–$213,400 a year
NewStaff Systems Engineer - Configuration Management
Northrop Grumman
CPLM / Configuration Control: Establish, maintain, and enforce effective configuration management processes using Collaborative Product Lifecycle Management (CPLM) systems.
- Redondo Beach, CA; El Segundo, CA
- $177,000–$265,600 a year
NewQuality Engineer (Build Reliability Engineer) 2nd Shift - Millennium Space Systems
Boeing
The Quality Engineer (Build Reliability Engineer) will be responsible for identifying, resolving, and eliminating spacecraft and product manufacturing quality issues.
- El Segundo, CA
- $107,100–$157,500 a year
NewQuality Systems Engineer - Millennium Space Systems
Boeing
Millennium Space Systems, a Boeing Company, is seeking a Quality Systems Engineer to develop, lead, and continuously improve our Quality Management System (QMS) across satellite production…
- El Segundo, CA
- $107,100–$157,500 a year
NewMech System Design & Analysis Engineer - Solar Array and Battery - Satellite Systems (Associate)
Boeing
Lead functional teams as potential Technical Lead Engineer, Boeing Designated Expert, or REA. Lead project planning and ensure execution on program commitments as a potential Solar Array REA…
- El Segundo, CA
- $90,950–$123,050 a year
New