El Segundo, California, United States · Hybrid
$108k–$195k/yr
Looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribut…
Skills: Project Management, Mechanical Engineering, HVAC Design, Heat Load Calculations, AutoCAD
El Segundo, California, United States · On-site
$160k–$200k/yr
Who we are Picogrid is a leading venture-backed defense technology company founded to bridge the decades-long gap between modern technology and the critical demands of national security. Today, we're building the essenti…
Skills: People Operations, Human Resources, Performance Management, Organizational Design, Workforce Planning
El Segundo, California, United States · On-site
$63k–$120k/yr
Date Posted: 2026-07-17 Country: United States of America Location: US-CA-EL SEGUNDO-R01 ~ 2000 E Imperial Hwy ~ BLDG R01 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The abil…
Skills: Electronic Packaging, ANSI Drawing Standards, GD&T, CREO, 3D Solid Modeling
El Segundo, California, United States · On-site
$87k–$198k/yr
Strategic Deterrence Advisor The Opportunity: Space has evolved from a peaceful environment into a contested and congested domain. The U.S. Space Force is rapidly expanding to address global threats. Booz Allen enables m…
Skills: Program Management, Nuclear Command Control and Communications, Electromagnetic Pulse Technologies, Tactical Warning and Attack Assessment, CBRN Protection
El Segundo, California, United States · On-site
$87k–$130k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: C++, Python, Modeling And Simulation, Software Development, Git
El Segundo, California, United States · On-site
$90k–$130k/yr
Who we are Picogrid is a leading venture-backed defense technology company founded to bridge the decades-long gap between modern technology and the critical demands of national security. Today, we're building the essenti…
Skills: Calendar Management, Executive Support, Travel Coordination, Business Communication, Project Management
El Segundo, California, United States · On-site
$113k–$257k/yr
Digital Transformation Lead The Opportunity: As a digital transformation professional, you know that implementing improved digital initiatives with effective strategy, organization design, process, and technology adoptio…
Skills: Digital Transformation, Organization Design, Strategic Planning, Process Improvement, Technology Adoption
El Segundo, California, United States · On-site
$75k–$113k/yr
The Aerospace Corporation is the trusted partner to the nation’s space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development ce…
Skills: Expediting, Supplier Relationship Management, ERP Systems, S/4HANA, Ariba
El Segundo, California, United States · On-site
$99k–$198k/yr
Antenna RF Engineer - Associates, Experienced or Senior Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks an Antenna RF Engineer - Associate, Experienced or Senior level to join our team in El Segu…
Skills: Antenna Design, RF Analysis, Microwave Hardware, HFSS, CST
El Segundo, California, United States · On-site
$161k–$232k/yr
Senior Java Software Engineer – Developer Company: The Boeing Company The Boeing Company is looking for a Senior Java Software Engineer – Developer to join the Advanced Ground Architecture team located in Herndon, Virgin…
Skills: Java, C++, ReactJS, Angular, HTML
El Segundo, California, United States · On-site
$172k–$232k/yr
Software Engineering Manager Company: The Boeing Company The Boeing Company is looking for a Software Engineering Manager to join our Space Mission Systems (SMS) team, on the ESS/Evolved Strategic SATCOM program, in El S…
Skills: Software Architecture, Software Design, Software Life Cycle Management, Software Configuration Management, Cost Account Management
El Segundo, California, United States · On-site
$106k–$232k/yr
Flight Software Engineers (Associate / Experienced / Senior) Company: The Boeing Company The Boeing Company is currently seeking Flight Software Engineers (Associate / Experienced / Senior) to support our Flight Software…
Skills: C, C++, Java, Python, Embedded Systems
El Segundo, California, United States · On-site
$78k–$176k/yr
Artificial Intelligence Solutions Engineer The Opportunity: As a programmer, you know that machine learning is critical to understanding and processing massive datasets. Your ability to conduct statistical analyses on bu…
Skills: Artificial Intelligence, Machine Learning, Python, Generative AI, Deep Learning
El Segundo, California, United States · On-site
$106k–$232k/yr
Flight Software Engineers (Associate / Experienced / Senior) Company: The Boeing Company The Boeing Company is currently seeking Flight Software Engineers (Associate / Experienced / Senior) to support our Flight Software…
Skills: C, C++, Java, Python, Embedded Systems
El Segundo, California, United States · On-site
$172k–$232k/yr
Senior Flight Software Engineer Company: The Boeing Company The Boeing Company is currently seeking a Senior Flight Software Engineer to support our Flight Software Team located in El Segundo, CA. In this role, the indiv…
Skills: C, C++, Java, Python, Embedded Software Development
El Segundo, California, United States · On-site
IESE Solutions is seeking General and Operations Managers to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Position is available in El Segundo…
Skills: Systems Engineering, Technical Documentation, Configuration Management, Project Management, Technical Order Development
El Segundo, California, United States · On-site
IESE Solutions is seeking a Systems Engineering Compliance Engineer to support the US Space Force (USSF) in developing and deploying novel command and control applications within the Program Executive Office (PEO) portfo…
Skills: Systems Engineering, Compliance Assessment, Model-Based System Engineering, Systems Architecting, Lifecycle Support
El Segundo, California, United States · On-site
IESE Solutions is seeking Operations Research Analysts to support the U.S. Space Forces (USSF) mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Position is available in Los An…
Skills: Acquisition Planning, Systems Engineering, Project Management, Price Analysis, Budget Management
El Segundo, California, United States · On-site
IESE Solutions is seeking Aerospace Systems Engineers to support the U.S. Space Forces mission of delivering warfighter capability via the Space Systems Command (SSC) directorates. Positions are available in El Segundo, …
Skills: Systems Engineering, Systems Integration, Model-Based System Engineering, Agile Development, DevOps
El Segundo, California, United States · On-site
$75k–$125k/yr
A New Paradigm For Space Operations. Who We Are: Space Kinetic is a dual use space technology startup building a completely new architecture for space operations – one that brings the advantages of proliferated drone tec…
Skills: Thermal Analysis, Hardware Design, Passive Thermal Control, Active Thermal Control, TVAC Testing
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Provide mechanical engineering subject matter expertise for the design, planning, and installation of HVAC and environmental control systems for FAA projects. Manage the project lifecycle, including heat load calculations, CADD drawings, and risk assessments to ensure facility modernization.
Requires a Bachelor's degree with 8+ years of experience or a Master's degree with 4+ years of experience in mechanical engineering and building systems. Must be eligible for a Public Trust Security Clearance and possess expertise in HVAC and CADD tools.
Looking for an opportunity to make an impact?
At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams, contribute to our communities, and operate sustainable. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business.
If this sounds like the kind of environment where you can thrive, keep reading!
The Digital Modernization Sector brings together our digital transformation and IT programs, allowing us to better serve our customers through scale and repeatability.
(Group Profile/Link to Group page) - https://www.leidos.com/capabilities/digital-modernization
Your greatest work is ahead!
The NISC IV program at Leidos is seeking a Senior Mechanical Engineer to work in the Federal Aviation Administration (FAA) Regional Office in El Segundo, CA which is in the Los Angeles area.
The Mechanical Engineer will provide engineering support to the FAA Los Angeles Enroute Engineering Center which includes project management and project planning for various Air Route Traffic Control Center construction and upgrade modernization projects.
Specific duties for this position include:
Provide expertise in all aspects of the complete project management lifecycle.
Provide Mechanical Engineering Subject Matter expertise (SME) support by overseeing the feasibility, design, planning, and installation of Heating, Ventilation and Air-Conditioning, and Environmental Direct Digital Control Systems.
Provide Mechanical Engineering SME ) support through dynamic participation in team reviews of design and scope, and assembly of the design package. In addition, provide status reports on site project progress, status reports on schedule updates, participate in Planning and Requirements Group (PRG) matrix meetings, and guide Operational Risk Management and Safety meetings.
Provide verified heat load calculations including: heating peak, cooling peak, ventilation and process load calculation used for system sizing, and final calculation for energy compliance.
Analyze and review existing engineering drawings and documents and provide observations on accuracy and completeness, and recommendations for improvement.
Provide Computer-Aided Drafting and Design (CADD) drawings using AutoCAD and MasterSpec in conformance with FAA standards.
Provide/evaluate system and equipment design package requirements.
Assist in preparing Draft project scope agreements and project schedules.
Prepare engineering risk assessments, and provide recommendations and proposals of actions or improvements to mitigate potential risks resulting from site, facility, and project/program changes.
Please Note: Must be able to work onsite in El Segundo, CA. The position has partial telework potential for part of the work week with manager’s approval.
Bachelor's degree and 8+ years of prior relevant experience OR Master's degree with 4+ years of prior relevant experience. Additional years of relevant experience maybe considered/accepted in lieu of degree.
8 years of applicable mechanical engineering experience including project management and design of building mechanical systems.
Experience with ductless split systems, heat recovery systems, residential type split systems, furnace, direct expansion cooling coils, unitary roof top package units, variable air volume systems, air handling units, chillers, boilers, vehicle exhaust systems and other heating, cooling, ventilation, air distribution, pumping, hydronic piping, and indoor air quality systems.
Performed and verified heat load calculations which include: heating peak, cooling peak, ventilation and process load calculation used for system sizing and final calculation for energy compliance.
Prepared design development and construction drawings which include: initial schematic, design development and final construction drawings for plan check submittal.
Ability to obtain a Public Trust Security Clearance Suitability (To be eligible for Public Trust Security Clearance, one must be either a U.S. Citizen OR a U.S. Permanent Resident/Green Card holder who has resided in the U.S.A for the past 3 years of the past 5 years consecutively with no breaks).
Familiarity with FAA and the National Airspace System (NAS) is a plus but not necessary.
Professional Mechanical Engineer registration is a plus but not absolutely necessary.
Please Note: The program budget salary for this role could fall anywhere between high $120,000 to high $130,000 with a slight wiggle room (no guarantees) based on relevant experience and assessment. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Leidos is growing! Connect with us on LinkedIn and Facebook.
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
An industry & technology leader serving government & commercial customers with smarter, more efficient innovations
Leidos is an industry and technology leader serving government & commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
Offices: 1750 Presidents St, Reston, Virginia 20190, US · 11955 Freedom Drive, Reston, VA 20190, US · 1145 N 2nd St, Leavenworth, KS 66048, US · 9600 Great Hills Trail, Austin, TX 78759, US · 221 3rd St, Newport, RI 02840, US
Based on 679 listings with disclosed salaries, most government & public sector jobs in El Segundo, CA pay between $94k–$222k per year. Individual offers vary with seniority, company size, and specialization.
There are currently 748 open government & public sector positions in El Segundo, CA listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include Boeing, The Aerospace Corporation, Northrop Grumman, RTX, Northrop Grumman Mission Systems, Inc., among others. Browse the listings above to see every active employer.
Yes — 54 of the 748 open government & public sector positions offer remote or hybrid work (3 remote, 51 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
