Senior Specialist, Mechanical Engineer (Mechanisms)
$102k - $189.5kL3Harris Technologies
L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers’ mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do.
L3Harris is the Trusted Disruptor in defense tech. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.
Job Title: Senior Specialist, Mechanical Engineer (Mechanisms)
Job Code: 46807
Job Location: Carlsbad, CA; Palm Bay, Florida; Chantilly, VA
Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked (Every Other Friday Off)
Job Description:
During its 120-year history, L3Harris has transformed communications and information technology. L3Harris is a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental solutions, avionics and electronic warfare, and space and intelligence. From ocean to orbit and everywhere in between, we provide mission-critical solutions to connect, inform and protect the world.
On the L3Harris team, your job is to secure the world. We don't work here just for the advanced technology and equipment: we work here because we know what - and who - we're protecting! From families to the intelligence community, and from our climate to our men and women in uniform - we're making the world a safer place!
Design and qualify the precision mechanisms behind mission systems used in complex, high-consequence environments. You’ll own major components and sub-systems from early concepts through integration and test, helping L3Harris deliver dependable capability for customers executing their most challenging missions.
This is an on-site role because the work includes direct lab, prototype, integration, and hardware-test activity at one of the following sites: Palm Bay, Florida; Chantilly, Virginia; or Carlsbad, California.
Essential Functions:
• Lead mechanical design, analysis, prototype integration, and qualification testing for precision mechanisms and electro-mechanical hardware.
• Develop 3D models, drawings, technical data packages, and assembly documentation.
• Evaluate material selections and design trades; improve designs for performance, size, weight, power, manufacturability, and reliability.
• Plan and execute component and system-level tests; analyze results and drive design improvements.
• Present designs and results at internal and customer reviews, including peer reviews, PDRs, and CDRs.
• Partner with manufacturing, quality, configuration management, suppliers, technicians, and the program test team to transition designs into production.
• Ability to obtain and maintain active Top Secret or Top Secret/SCI clearance. (Active within the last two years will be considered)
• Support field-test or demonstration activities as needed.
Qualifications:
• Bachelor’s Degree and minimum 6 years of prior relevant experience. Graduate Degree and a minimum of 4 years of prior related experience. In lieu of a degree, minimum of 10 years of prior related experience.
• Active Top Secret or Top Secret/SCI clearance is required. (Active within the last two years will be considered)
Preferred Additional Skills:
• Hands-on experience designing, developing, integrating, and testing complex mechanical hardware.
• Experience with 3D mechanical CAD, engineering drawings, and tolerance analysis/GD&T.
• Ability to work on-site in a mis of office and laboratory environments
• Experience in design or development of precision mechanisms, mechatronic systems, and/or packaging of modules and electronics with considerations of thermal and structural loading and for optimizations of size, weight, and power.
• Proficiency in CAD tools such as Creo and understanding of ASME Y14.5 Geometric Dimensioning and Tolerancing standards.
• Experience in additive manufacturing, part optimization, and design for manufacture and assembly a plus.
• Experience with any of the following: actuators, custom gear trains, electro-optical systems, materials testing, and manufacturing processes
• Favorable polygraph.
In compliance with pay transparency requirements, the salary range for this role in California and Virgina is $102,000 - $189,500. This is not a guarantee of compensation or salary, as final offer amount may vary based on factors including but not limited to experience and geographic location. L3Harris also offers a variety of benefits, including health and disability insurance, 401(k) match, flexible spending accounts, EAP, education assistance, parental leave, paid time off, and company-paid holidays. The specific programs and options available to an employee may vary depending on date of hire, schedule type, and the applicability of collective bargaining agreements.
#LI-FS1
L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law.
Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information.
By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions.
L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish . For information regarding your Right To Work, please click here for English or Spanish .
$130k - $190k
Job TitleSenior Mechanical EngineerLocationBethesda, MD 20800 US (Primary)CategoryResearch, Development, and EngineeringJob TypeFull... ...RequiredSecretJob DescriptionPrescient Edge is seeking a Senior Mechanical Engineer to support a federal government client.Benefits &...Senior- ...them get to space — our world class Space Systems team is empowering some of the boldest and most ambitious space missions.SENIOR MECHANICAL ENGINEER IIAs a Senior Mechanical Engineer at Rocket Lab’s Silver Spring, Maryland location, you will lead development of...SeniorPermanent employmentLocal areaFlexible hours
- ...The Surveillance Integration Systems (IS) Engineering Department within Teledyne FLIR consists of talented people with backgrounds in Mechanical, Electrical, and Systems Engineering... ...a part of our mission.We are seeking a Senior Mechanical Engineer ideally with experience...SeniorMinimum wagePermanent employmentFull timeWork experience placementLocal areaVisa sponsorshipWork visa
- ...Seeking a senior, hands‑on Mechanical Engineer to design and support mission‑critical, secure electronic systems for defense, aerospace, and secure communications applications. This role requires deep technical involvement in enclosures, thermal design, shielding, structural...Senior
- ...Senior Mechanical Engineer Handles projects from start to finish with little to no oversight. Senior Engineers tackle our most complex projects. Provides oversight, mentorship, guidance and training to others. Job Summary Solve complex technical issues on...SeniorFor contractors
- ...Senior Mechanical Engineer TS/SCI with polygraph clearance is desired. An active SECRET clearance is required to be considered for this position. Position Overview: Review and consult with the client on facility sustainment, restoration, and modernization...SeniorTemporary workLocal area
$116k - $175k
...MarylandSecurity Clearance: No ClearanceBusiness Unit: Zachary PiperPosition Owner: Amanda WiseZachary Piper Solutions is seeking a Senior Mechanical Engineer (Biotech Instrumentation) to join a rapidly growing biomedical manufacturing organization in Gaithersburg, MD. This...Senior- Patton, LLC in Gaithersburg, MD seeks a hands-on Senior Mechanical Design Engineer to design and support mission-critical, secure electronic systems for defense, aerospace, and secure communications applications. You will own mechanical architecture from concept through...Senior
- Are you ready to put your mechanical engineering expertise to work on projects that matter? LRS Federal LLC is seeking a seasoned Mechanical Engineer to join our growing team. If you thrive on tackling complex challenges, delivering innovative solutions, and have a passion...SeniorFlexible hours
- NESC Staffing Corp. seeks a senior mechanical engineer to design and support mission‑critical, secure electronic systems for defense, aerospace, and secure communications. You will own mechanical architecture from concept to production, including enclosures, shielding,...Senior
- Johns Hopkins Applied Physics Laboratory (APL) seeks a Mechanical Engineer to advance spaceflight hardware across missions from concept through launch. You will lead cross‑discipline teams, oversee mechanical and thermal systems, manage interfaces, and ensure schedules...Senior
$108.4k - $144.5k
Teledyne FLIR Defense seeks a Senior Mechanical Engineer to lead the mechanical design of ruggedized integrated systems for defense applications from concept to delivery. Location is Elkridge, MD, with a compensation range of $108,400 to $144,500 per year. You will model...Senior- Meso Scale Diagnostics LLC is seeking a senior Mechanical Engineer IV to set goals for new instrumentation development and support existing devices for biodefense, clinical and life-science markets. You will design precision mechanisms and complex assemblies, while guiding...Senior
- MSD is seeking a Mechanical Engineer responsible for setting goals and objectives for the development of new instrumentation and support of existing instrumentation for biodefense, clinical and life-science markets. Design work includes precision mechanisms and complex...Senior
- Liberty Personnel Services, Inc. seeks a Lead Mechanical Engineer with a PE license for government-focused consulting work in Laurel, MD. The role involves designing HVAC and mechanical systems for commercial buildings, from schematic design through construction administration...Senior
$125k - $135k
At Salas O’Brien, we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to... ...receive great total rewards along the way. Job Summary The Senior Mechanical Engineer functions as the overall technical lead for Fed-...SeniorFor subcontractorInterim roleLocal area- WSP USA is seeking a Lead Mechanical Engineer- Building Systems in Columbia, MD to oversee HVAC and related systems for complex facilities. You will guide design through construction and manage project teams to ensure high-quality outcomes. You will mentor staff, coordinate...Senior
- DescriptionGPI seeks a Project Manager - Senior Mechanical HVAC Engineer for our Metro DC branch in Rockville, MD, or the Fairfax, VA office. In this role, you will have the opportunity to grow and direct a project team. Do you value a company that puts employee satisfaction...SeniorContract workFor subcontractorWork at office
- WSP USA is seeking a Lead Mechanical Engineer- Building Systems for our Columbia, MD office. You will lead mechanical design and construction oversight for HVAC, plumbing, fire protection, and related systems on complex facilities across healthcare, higher education, laboratories...SeniorWork at office
- Teledyne FLIR Defense is seeking a Senior Mechanical Engineer to lead mechanical design for high‑reliability, defense-oriented systems. You will drive cross‑functional collaboration across engineering, manufacturing, and program management—from concept to testing and delivery...Senior
- Teledyne FLIR Defense in the United States seeks a Senior Mechanical Engineer to lead mechanical design from concept through testing and delivery, mentoring junior engineers and collaborating across disciplines to deliver mission-critical solutions. You will design moving...Senior
$84.76k - $129.5k
...Responsibilities Sargent & Lundy is seeking a Senior Mechanical Project Engineer to support nuclear plant modification and engineering projects at the Calvert Cliffs Clean Energy Center. The role will require approximately two to three days on-site each week at CCCEC...SeniorHourly payLocal areaRemote workWorldwideFlexible hours2 days per week3 days per week- Blue Energy seeks a Principal Mechanical Engineer to lead the design, integration, and delivery of the gas‑to‑nuclear bridge. You will drive technical decisions across process, mechanical, electrical, controls, civil, and construction disciplines, ensuring safety, reliability...Senior
- X Energy, LLC is seeking a Mechanical/Systems Engineer to design, analyze, and verify SSCs for nuclear products. The role emphasizes conceptual development, CAD modeling, and integration across engineering teams to meet safety and technical requirements. Responsibilities...Senior
- ...Job Description Job Description Overview cyDaptiv Solutions is seeking a highly experienced Senior Electrical/Mechanical Engineer to provide engineering expertise, technical leadership, and support for engineering products and solutions. The successful candidate...SeniorFull timeContract workFor subcontractor
- CRB is seeking a Senior Lead Mechanical Engineer to lead HVAC design and mechanical utility systems for complex facilities. The role encompasses project leadership, coordinating design teams, and delivering through all design phases from study to construction. The ideal...Senior
- Salas O’Brien is seeking a Senior Mechanical Engineer to serve as the technical lead for Fed-Florida Business Unit projects. The role focuses on mechanical and plumbing design, energy efficiency analysis, and coordination across disciplines, with responsibilities including...Senior
$105k
...a highly collaborative environment with engineers from multiple disciplines to solve complex... ...join our team at APL! We are seeking a Mechanical Engineer ready to take on new challenges... ...national security space missions. As a senior opto-mechanical engineer you will......SeniorTemporary workWork experience placementFor subcontractorRelocation packageFlexible hoursShift work- Sargent & Lundy seeks a Senior Mechanical Project Engineer to support nuclear plant modifications at Calvert Cliffs Clean Energy Center, with approximately two to three days on-site weekly and flexibility to work remotely the other days. The role provides senior mechanical...SeniorRemote work
$100k - $150k
...best-in-class team. What is the Opportunity? At Aecon Engineering Services Inc. (United), we are a team of engineers, builders,... ...construction (EPC) company. We are seeking an enthusiastic Sr. Mechanical Engineer with experience supporting Power Generation Projects...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Specialist, Mechanical Engineer (Mechanisms). Be the first to apply!



