Principal Systems Engineer- Requirements Lead (Onsite)

Prattwhitney; El Segundo (CA); On-site; USD 118,000 - 225,000; Full time

Benefits offered by this job

Medical, dental, vision insurance

Tuition reimbursement

Relocation assistance

Job summary

Collins Aerospace, an RTX company, is seeking an experienced Systems Engineer to design and develop secure military communication solutions. You will interface with multi-discipline teams to create system-level products addressing domestic and international needs.

The role requires leading requirements decomposition, architecture definition, and verification activities, with a goal of production-ready systems and strong program management communication.

Qualifications

• Experience with the systems development process from requirements capture to production.
• Active SECRET clearance; U.S. citizenship required.
• STEM degree with 8+ years or advanced degree with 5+ years of experience.
• Familiarity with the Scaled Agile framework.
• Strong communication skills for technical data presentation to leadership.
• Experience with cryptographic hardware, network encryption specifications.
• Experience with DOORS, CAMEO, Rust, Python.
• Experience with hardware/software integration and verification/testing.

Responsibilities

• Perform system requirements decomposition from the customer down to subsystems; lead a requirements team and ensure compliance with architecture.
• Perform analyses, architecture and design at all levels of the total system product from concept to disposal.
• Translate customer requirements into hardware and software specifications via trade studies and interface definitions.
• Provide analyses for decomposition of specifications and develop verification criteria and plans.
• Conduct system-level planning, integration, verification/validation, cost/risk assessment, and supportability analyses.
• Contribute to bid and proposal efforts.

Skills

Systems engineering

Strong communication

Security clearance

Education

STEM degree

Advanced degree (optional)

Tools

DOORS

CAMEO

Rust

Python

Job description

Date Posted: 2026-10-08

Country: United States of America

Location: US-CA-EL SEGUNDO-E04 ~ 2006 E El Segundo Blvd ~ BLDG E04

Role Type: Onsite

Security Clearance: SECRET; U.S. citizenship required; existing transferable clearance required on day 1.

Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market.

Position Overview

This position is for an experienced Systems Engineering professional. Join the Mission Systems Secure Subsystems Department and help shape, define, and design communication solutions that connect militaries around the world! As a Systems Engineer, you will design and develop military products ensuring safe and protected communication. You will interface with multi-discipline engineering teams to create total system solutions, addressing both domestic and international customer needs.

What You Will Do

• Perform system requirements decomposition from the customer down to the subsystems and be the product owner for systems. Lead a requirements team to align with system architecture and ensure all requirements will be complaint
• Perform analysis's, architecture and design at all levels of the total system product including concept, design, fabrication, modeling, test, installation, operation, maintenance and disposal
• Perform functional analysis's, trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications
• Provide analyses for the decomposition of customer specifications and system level requirements into sub-system and piece part requirements, and develops verification criteria and plans for the requirements
• Perform technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total system solutions
• Perform bid and proposal efforts

Qualifications

• Experience with the systems development process, including leading requirements capture, design, decomposition, integration, and verification/validation, and transition to production.
• Active and transferable SECRET clearance is required prior to start date; U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience.
• Familiarity with the Scaled Agile framework.
• Exceptionally strong communication skills, experience presenting technical data to program management and executive leadership.
• Experienced with Cryptographic Hardware architecture/design, Network Encryption specifications and test methodologies.
• Experience with tools such as DOORS, CAMEO or similar, Software Languages such as Rust and Python.
• Experience with Hardware and Software Integration, Validation & Verification Testing, and Qualification Testing.

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 illnessinsurance, group legal, 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
• This position is eligible for relocation assistance
• And more!

The salary range for this role is 118,300 USD - 224,900 USD.

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 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.

Employee Referral Eligible 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.

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.