Hydraulic and Mechanical Lead Engineer

Leidos LLC; Huntsville (AL); On-site; USD 94,000 - 157,000; Full time

Benefits offered by this job

Health and Wellness programs

Paid Leave and Retirement

Competitive compensation

Job summary

Leidos Defense seeks a hydraulic engineer to lead design, analysis, manufacture, integration, and test of hydraulic components and subsystems for DoD programs.

You will apply CAD methods (SolidWorks or Creo), perform GD&T, and develop system architectures while collaborating with design, analysis, fabrication, test, and program management teams. A ABET degree and active DoD clearance or eligibility are required; U.S. citizenship is required.

Qualifications

• Bachelor’s degree in Mechanical or Aerospace Engineering from an ABET-accredited university.
• BS + 4 years hydraulics engineering experience or MS + 2 years.
• Proficient with SolidWorks or Creo and drawing generation per ASME Y14.100 & Y14.5.
• GD&T understanding and tolerance stack-up analysis.
• Strong communication and collaboration skills; independent or team work.
• Proficiency with MS Office (Word, Excel, PowerPoint).
• US Citizenship and active DoD security clearance or eligibility.

Responsibilities

• Lead hydraulic engineering tasks including the design, analysis, manufacture, integration, and test of hydraulic components and subsystems.
• Support and perform technical trade studies, develop hydraulic system architecture.
• Apply sound engineering practices to develop concepts using CAD and mature designs that meet system requirements.
• Support design reviews and maintain Technical Data Packages (TDP) including CAD models, drawings, BOMs, specs, and test reports.
• Communicate and collaborate with design, analysis, fabrication, test, and program management teams to resolve challenges.

Skills

Attention to detail

Analytical thinking

Problem-solving

Communication

Collaboration

Self-starter

MS Office

Education

Mechanical/Aerospace Engineering degree

Tools

SolidWorks

Creo

Job description

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 sustainably. 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. Are you ready for your next career challenge? Leidos Defense provides a diverse portfolio of systems, solutions, and services covering land, sea, air, space, and cyberspace for customers worldwide. Solutions for Defense include enterprise and mission IT, large-scale intelligence systems, command and control, geospatial and data analytics, cybersecurity, logistics, training, and intelligence analysis and operations support. Our team is solving the world’s toughest security challenges for customers with "can't fail" missions.

Primary Responsibilities

• Lead hydraulic engineering tasks including the design, analysis, manufacture, integration, and test of hydraulic components and subsystems
• Support and perform technical trade studies, develop hydraulic system architecture
• Apply sound engineering practices to develop concepts using CAD and mature designs that meet system requirements
• Support technical peer, table-top, and internal/external design reviews
• Create and maintain Technical Data Package (TDP) artifacts, including CAD models, drawings, bills of materials (BOMs), specifications, test procedures and reports
• Communicate and collaborate effectively with design, analysis, fabrication, test, and program management teams to resolve challenges and complete tasks on schedule

Basic Qualifications

• Bachelor’s degree in Mechanical or Aerospace Engineering from an ABET-accredited university
• BS + 4 years progressive hydraulics engineering experience or MS + 2 years
• Proficient with either Solidworks or Creo
• Experience with drawing generation in accordance with ASME Y14.100 & Y14.5
• Basic understanding and application of GD&T (ASME Y14.5) and tolerance stack-up analysis
• Strong attention-to-detail, analytical thinking, and problem-solving skills
• Excellent communication and collaboration skills
• Self-starter with a demonstrated ability to work independently and in team environments
• Proficiency with Microsoft Office applications (Word, Excel, PowerPoint)
• US Citizenship required
• Active DoD security clearance or eligibility to obtain and maintain

Preferred Qualifications

• In addition to hydraulic design, experience in either structural design or structural analysis
• Experience with weapon systems, military hardware, erector systems, and/or industrial/construction/mining/agriculture equipment
• Basic understanding or experience with radars or other advanced sensing technologies
• Technical team leadership
• Experience with large steel structures including welded structures and bolted assemblies
• Experience with fluid flow systems and/or thermal systems
• Experience with technical data and documentation release and management in Windchill
• Experience supporting rapid development, prototyping, or fast-paced engineering programs
• Knowledge of MIL-STD-31000
• Technical Data Package (TDP) development
• Active DoD security clearance

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.

Original Posting: July 29, 2026. 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. Pay Range: $87,100.00 - $157,450.00. 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.

Leidos is an industry and technology leader serving government and 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. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave and Retirement

More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.