Senior Engineer Manager, Systems Engineering (Onsite)

Prattwhitney; El Segundo (CA); On-site; USD 146,000 - 277,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Generous 401(k) with matching funds

Tuition reimbursement

Job summary

RTX in El Segundo, CA is seeking a Senior Manager to lead a high-performance team responsible for Mission Assured Navigation, Timing, Inertials, and Simulation (MANTIS). You will guide complex systems from requirements through verification and deployment, ensuring high-quality, timely results.

You will mentor engineers, manage resources, and champion Agile practices while coordinating with customers and cross-functional partners in a dynamic defense environment.

Qualifications

• STEM degree required, with 10+ years of relevant experience or an advanced degree with 7+ years.
• Ability to obtain and maintain a DoD security clearance; U.S. citizenship required.
• Willingness to travel domestically as needed.

Responsibilities

• Lead and mentor staff across all phases of the systems engineering lifecycle.
• Provide guidance on requirements analysis, design, integration, and verification.
• Oversee Agile development and lifecycle management for MANTIS projects.

Skills

Systems engineering

Software engineering

Security clearance

Travel readiness

Education

STEM degree

Advanced degree preferred

Job description

Date Posted: 2026-10-30 Country: United States of America Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04 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: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1 Collins Aerospace is looking for a Senior Manager with a passion for engineering and the desire to lead an innovative, dedicated team responsible for industry-leading Mission Assured Navigation, Timing, Inertials, and Simulation (MANTIS). The team is responsible for architecting, designing, developing, and testing systems for real-time embedded navigation and timing solutions for military applications. This position offers abundant opportunity to acquire in-depth knowledge of Assured Positoin, Navigation, and Timing (PNT) systems architecture, and to apply that knowledge in a team effort to develop our navigation products for the warfighter. Collins Aerospace continues to build on a strong history of providing navigation equipment to meet the evolving needs of commercial and military users. Our navigation solutions provide enhanced situational awareness and pinpoint accuracy for airborne and surface missions worldwide allowing users of our equipment to complete their mission and return home safe.

What You Will Do

As the leader of this team, you lead and mentor staff whose responsibilities span all phases of the systems engineering life cycle. These responsibilities include requirements analysis, design, integration, verification, and formal configuration management. You will provide direction for tasks such as developing systems tools, supporting field demonstration and integration efforts, providing customer support, and mentoring. You will directly support cognizant programs in these areas. You will lead the systems development lifecycle and be a proponent of the Agile method of system development. You will be responsible for resource allocation and overall administrative management of the team. You will perform day-to-day employee engagement, coaching and mentoring, and employee development. The role also requires employee performance excellence, including providing continuous feedback and performance correction, engagement check-ins, and administering formal performance management processes. You will be responsible for employee onboarding, training, and career development.

Qualifications You Must Have

• Ability to travel domestically as needed
• Experience with Systems and/or software engineering
• 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 7 years of experience
• 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

Qualifications We Prefer

• High motivation to solve problems and continuously improve existing products
• Strong understanding of Earned Value Management
• Desire to contribute to a results-oriented product development team
• Talent/Career Development leadership
• Solid understanding of systems development processes
• Strong verbal and written technical communication skills
• A genuine desire to learn and innovate
• Advanced degree in management or leadership is a plus.

What We Offer

• 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!

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.

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.

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.

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.

The salary range for this role is 145,600 USD - 276,800 USD.

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.