Leidos' Defense Systems is seeking a passionate, detail-oriented problem-solver to serve as a Materials and Process Engineer to support the Advanced Materials Department. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. The Advanced Materials Department is a multi-disciplinary team that provides materials engineering expertise for every phase of a program. With backgrounds in materials science, chemistry/chemical engineering, physics, among others, the department has experience in executing a variety of efforts from R&D, to prototype development, to supporting design and build tasks for manufacturing. Beyond subject matter expertise, the department has the analysis equipment, multi-physics modelling capability and experimental lab space to support activities ranging from proof-of-concept experimentation to manufacturing support. Primary Responsibilities. • As an integral member of the Advanced Materials Department, this position will balance multiple activities including but not limited to: • Conduct mechanical testing of materials and test articles (test specimen to full scale) to support multiple test programs • Support multiple Leidos programs in the area of composites R&D, thermal protection systems, and hypersonics • Assist in guiding the research of multi-disciplinary teams across multiple organizations to ensure research activity successfully meets program objectives and remains on schedule. Research areas include mechanical testing, manufacturing, composite repair, and bonding of dissimilar materials. • Direct testing and reporting efforts for material test programs • Investigate anomalous test outcomes and provide recommended problem resolution to the program team • Serve as a liaison between the program team, the technical team, and other exterior teams Basic Qualifications. • Bachelor's Degree in Materials, Mechanical or Aerospace Engineering or equivalent from an ABET accredited institution with at least 4 years of experience (or M.S. with 2+ years) • Strong verbal and written skills • Experience communicating to cross-disciplinary teams and/or customers • Experience with mechanical testing of engineering materials using load frames (tensile tester, universal testing machine, etc) and similar equipment • Experience with composites and other aerospace materials • Experience developing test plans / work instructions and documenting test results • Familiarly with ASTM or MIL-STD testing standards • Candidate must be self-motivated and be capable of functioning effectively in a fast-paced environment • Candidate must be a US Citizen and possess (and be able to maintain) a DOD Secret Clearance or meet the eligibility to obtain (and maintain) a DOD Secret Clearance • Must be a resident of North Alabama area or willing to relocate in order to work on-site at the Huntsville, AL office Preferred Qualifications. • Active DOD Secret Clearance • Experience with instrumentation and data acquisition systems (DAQ) • Familiarly with MTS TestWorks Elite • Strong organization skills • Project Management skills 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: August 4, 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: 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.