NewSenior Tax Manager (Hybrid) JobotSenior Tax Manager (Hybrid)Huntsville, AL$130,000–$160,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
NewSr. Specialist, Software Engineering L3Harris TechnologiesSr. Specialist, Software EngineeringHuntsville, ALBachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or a related discipline, and a minimum of 6 years of prior relevant experience; or a graduate degree and a minimum of 4 years of prior related experience; or, in lieu of a degree, a minimum of 10 years of prior related experience. • 10% – Support software process improvement by analyzing software metrics, identifying process gaps, developing and evaluating improvement options, refining metric definitions and collection methods, and assessing industry tools and resources to advance the growth and maturity of the software organization.
Senior Specialist, Manufacturing Engineering (Product Integrator) L3Harris TechnologiesSenior Specialist, Manufacturing Engineering (Product Integrator)Huntsville, ALIn lieu of a degree, minimum of 10 years of prior experience leading a multi-functional, technically oriented, Integrated Product Team in an operations environment, 4 years’ experience with execution of earned value management (EVM); Experience in creating and managing budgets for both operational and capital expenses. Demonstrated understanding and practice of Earned Value Management, serving as the Control Account Manager (CAM) responsible for managing and reporting on cost and schedule of Operations scope on assigned programs.
Sr. Contracts Administrator Sparks GroupSr. Contracts AdministratorHuntsville, ALEnsure 100% audit readiness by monitoring FAR/DFARS updates, conducting partner due diligence, and maintaining rigorous file integrity and record-keeping oversight. Responsibilities : Drive high-level strategy for complex, high-risk business opportunities, leading solicitation reviews, OCI mitigation, and evaluations.
Senior Kinetics DE/CD Engineer LeidosSenior Kinetics DE/CD EngineerHuntsville, AL$131,300–$237,350Leidos’ Defense Systems Kinetics Business Area is seeking a Senior Digital Engineering and Computational Dynamics Engineer to join our team as part of the Strategic High-speed Advanced Development Organization. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com .
Machinist III - Sr Level Primetals TechnologiesMachinist III - Sr LevelDecatur, ALDetermines dimensions and tolerances of piece to be machined, sequence of operations and machines required by studying specifications, such as blueprints, sketches, damaged parts or description of parts. Works from drawings and written instructions to create replacement and new parts in making complex repairs to metal parts as well as for experimental apparatus or prototype equipment.
Senior Assistant Store Manager Spencer Gifts - Spirit HalloweenSenior Assistant Store ManagerHuntsville, AL$16.75–$17 / hourFull timeThe Assistant Manager is responsible for supporting the Store Manager in the various tasks involved in the overall operation of a store, ensuring maximum sales and profitability by developing staff, controlling expenses and shrinkage as well as all aspects of merchandising and inventory control in adherence with all Company policies and procedures. The physical demands of the job require in excess of 8 hours of standing, walking, climbing ladders and lifting up to 50 pounds.
Senior Data & Technology Strategist Trideum CorporationSenior Data & Technology StrategistHuntsville, ALCandidates should be comfortable operating at the strategic level, engaging with senior leaders, refining operating models, and shaping policy, while also being able to execute technical tasks such as building data solutions, integrating platforms, or developing analytics that directly support mission outcomes. Work will include contributing to enterprise-level strategy development, evaluating and advising on technology and data investments, implementing data-centric capabilities, and supporting governance activities that promote modernization, improved decision-making, and mission agility.
Senior Manager, Human Resources Haier US Appliance Solutions IncSenior Manager, Human ResourcesDecatur, ALAs the senior HR leader at a remote manufacturing site, this role is critical in building strong connections between the plant and the local community, including partnerships with schools, workforce development programs, and community organizations to support talent pipelines. The GE Appliances philosophy, backed by three simple commitments defines the way we work, invent, create, do business, and serve our communities: we come together, we always look for a better way, and we create possibilities.
Senior Quality Engineer Nesco Resource, LLCSenior Quality EngineerHuntsville, AL$60 / hourThe Senior Quality Engineer represents the voice of the customer and the voice of quality within cross-functional teams and plays a critical role in preventing quality escapes, resolving customer issues, and embedding quality into engineering and manufacturing processes in compliance with AS9100, FAA, and EASA requirements. Reporting to the Quality Engineering Manager, this role leads complex quality investigations, drives robust corrective actions, and partners cross-functionally to ensure manufacturing and support processes are capable, compliant, and continually improving.
Senior Client Developer S&ME, Inc.Senior Client DeveloperHuntsville, ALFull timeAs a Senior Client Developer , you will assist in leading S&ME's business development initiatives and collaborate with Project Management, Communications, and Marketing teams to establish new client relationships and strengthen existing relationships. S&ME is seeking a motivated professional with a passion and proven track record for business development and the drive to support the ongoing success of S&ME's environmental, geotechnical, and construction materials testing teams in Tennessee and Alabama as a Senior Client Developer.
Senior HR Business Partner TSCSenior HR Business PartnerHuntsville, AlabamaThe successful candidate will build and maintain strong relationships across operations, program, and corporate functions while supporting key initiatives including employee relations, performance management, workforce planning, compensation, succession planning, and organizational growth. The Senior HRBP will partner closely with operational leadership and frontline teams to support workforce engagement, organizational effectiveness, safety, compliance, and operational performance in a fast-paced manufacturing environment.
NewSenior Systems Safety Engineer/Nuclear Engineer Macpower Digital Assets Edge Private LimitedSenior Systems Safety Engineer/Nuclear EngineerHuntsville, AL$140,000–$154,000 / yearROLE AND POSITION OBJECTIVES: As a Systems Safety Engineer for the Fire Control Missile Platform, you'll be a member of a cross functional team responsible for ensuring compliance of Nuclear Weapons Safety requirements for the products we design. Job Summary: Our expected ideal candidate would be from Mid to Senior Systems Safety Engineer/Nuclear Engineer with experience performing Nuclear Surety/Safety for weapons systems.
NewData Engineer (Mid and Senior) - Active Top-Secret Clearance Macpower Digital Assets Edge Private LimitedData Engineer (Mid and Senior) - Active Top-Secret ClearanceHuntsville, AL$90,000–$150,000 / yearBuild data migration solutions between legacy and modern systems using SQL, Java, and cloud native tools. Hands on experience with ETL tools such as Informatica, Talend, Pentaho, AWS Glue, or custom Java ETL.
Senior Systems Engineer (MDA) Mission Driven ResearchSenior Systems Engineer (MDA)Huntsville, ALFull timeThe selected candidate will provide senior-level systems engineering support, guiding technical efforts across multiple domains and ensuring alignment with MDA objectives. MDR is seeking a Senior Systems Engineer to support the Missile Defense Agency's (MDA) Program Office delivering critical capabilities for the Defense of Guam (DoG).
Senior Systems Evaluation Engineer Trideum CorporationSenior Systems Evaluation EngineerHuntsville, ALWe are seeking a highly skilled and strategic Systems Evaluation Engineer to support the Army Materiel Command (AMC) Chief Technology Officer (CTO) in driving enterprise-wide digital modernization and data-centric transformation. Proven ability to conduct rigorous technical evaluations, assess enterprise architecture fit, and identify potential cybersecurity risks in emerging software and hardware solutions.
Senior Data Scientist / Analytics Lead Trideum CorporationSenior Data Scientist / Analytics LeadHuntsville, ALExpertise in languages like Python, R, and SQL; data visualization software like Tableau, Power BI, or Qlik; and data management platforms like ADVANA, Palantir Foundry, Databricks, Snowflake, and Azure Synapse Analytics. Your work will empower enterprise senior leaders with the analytical depth and strategic frameworks necessary to make informed, defensible decisions regarding technology investments, pilot programs, and digital modernization initiatives.
Senior Cloud Data Engineer Trideum CorporationSenior Cloud Data EngineerRedstone Arsenal, ALWe are seeking an experienced Senior Cloud Data Engineer passionate about creating next-generation cloud-based products and services for the Department of War’s (DoW) Test & Evaluation (T&E) community. Whether you’re looking to launch a new career or grow an existing one, Trideum is the type of company where you can balance great work with great life because we believe that taking care of our people is the right thing to do.
Senior Enterprise Architect Trideum CorporationSenior Enterprise ArchitectHuntsville, ALBy bringing analytical rigor to the existing application landscape, the candidate will empower senior government leadership with the enterprise visibility and strategic frameworks necessary to make highly informed, defensible technology decisions. We are seeking a highly skilled Enterprise Architect to support the Army Materiel Command (AMC) Chief Technology Officer (CTO) in executing a comprehensive digital modernization and data-centric transformation strategy.
Senior Solution-Level Software System Engineer (PAE Fires IFMC Project Office) Mission Driven ResearchSenior Solution-Level Software System Engineer (PAE Fires IFMC Project Office)Huntsville, ALFull timeThe candidate in this role will work with contractors, US military, government civilians and system operators to develop system-level concepts that provide solutions to problems that often involve various systems from multiple product offices. MDR is looking for an amazingly talented Senior Solution-Level Software System Engineer to join our team to support the PAE Fires Integrated Fires Mission Command (IFMC) Project Office.
Senior Missile System Structural Engineer (MDA) Mission Driven ResearchSenior Missile System Structural Engineer (MDA)Huntsville, ALFull timeIn this role you will be providing Systems Engineering Technical Assistance to the Ground-based Midcourse Dense (GMD) Product Office under the Teams-Next Missile Defense Systems Engineering (TN-MDSE) contract managed by the Missile Defense Agency. If you are interested in applying for employment with Mission Driven Research and need special assistance or an accommodation to use our website, please contact us by email (hr@missiondrivenresearch.com) or by phone by calling (256) 299-9288.
Future Opportunity: Senior Acquisition Analyst Thompson Gray Inc.Future Opportunity: Senior Acquisition AnalystRedstone Arsenal, ALFull timeThe Analyst will serve as a critical enabler to Product Managers and their teams by reviewing and developing acquisition documentation, supporting milestone decision points, responding to taskers, and providing analysis in support of senior leadership decision-making. Compliance & Policy Alignment: Ensure acquisition products and processes align with DoD 5000-series policies, Federal Acquisition Regulation (FAR), Defense Federal Acquisition Regulation Supplement (DFARS), and other governing directives.
Senior Modeling & Simulation Engineer Verity Integrated SystemsSenior Modeling & Simulation EngineerHuntsville, ALFull timeOur team comprises engineers and analysts with subject matter expertise in various domains, including software development, simulation technologies, experimentation support tools, and systems analysis methodologies. We are seeking a Senior Modeling & Simulation Engineer to support cutting-edge simulation development across Air and Missile Defense and Long-Range Fires domains.
Senior Full Stack Developer Verity Integrated SystemsSenior Full Stack DeveloperHuntsville, ALFull timeOur team comprises engineers and analysts with subject matter expertise in various domains, including software development, simulation technologies, experimentation support tools, and systems analysis methodologies. We are seeking a Senior Full Stack Developer to join our agile development team and support enterprise-level application development in Army, Air and Missile Defense, and/or MDA domains.
Senior Systems Engineer Chenega CorporationSenior Systems EngineerHuntsville, ALVenturi, LLC A Chenega Company has a challenging career opportunity for a Senior Systems Engineer who will support the Missile Defense Agency’s (MDA) Program Office delivering critical capabilities for the Defense of Guam (DoG). At Chenega MIOS, our professional development plan focuses on helping our team members at every level of their careers to identify and use their strengths to do their best work every day.
Aviation Senior Network Engineer Science Applications International CorpAviation Senior Network EngineerHuntsville, ALSAIC has a need for an Aviation Senior Network Engineer to support the Army''s Capability Program Executive (CPE) Aviation Modular Open Systems Approach (MOSA) Transformation with emphasis on the High Accuracy Detection and Exploitation System (HADES) System Integration Lab (SIL) in Huntsville, AL. The Aviation Senior Network Engineer will be responsible for but not limited to the following duties: May design, analyze, plan, modify, and maintain networks and network components supporting data, voice and/or audio.
UMCS Senior Program Manager KBR IncUMCS Senior Program ManagerHuntsville, ALInteract with and coordinate functional team, to include Contracts, Project Controls, Subcontracts/Procurement, Legal, Small Business, HR, Safety, and Quality, Implement technology improvements such as automation and artificial intelligence (AI) where applicable. The Senior Program Manager will be responsible for supporting the UMCS portfolio and the Critical Infrastructure Director in ensuring customer delivery, quality, cost controls, safety, people management, and overall contract execution.
Senior Quality Engineer The Kemtah Group, Inc.Senior Quality EngineerHuntsville, ALThe Senior Quality Engineer represents the voice of the customer and the voice of quality within cross-functional teams and plays a critical role in preventing quality escapes, resolving customer issues, and embedding quality into engineering and manufacturing processes in compliance with AS9100, FAA, and EASA requirements. Reporting to the Quality Engineering Manager, this role leads complex quality investigations, drives robust corrective actions, and partners cross-functionally to ensure manufacturing and support processes are capable, compliant, and continually improving.
Senior Systems and Reliability Engineer Leidos Holdings IncSenior Systems and Reliability EngineerHuntsville, AL$131,300–$237,350 / yearThe Senior RAM Engineer will work in a matrixed organization at Leidos, with the option to support multiple programs at once in a variety of engineering fields with different team environments, from the large-scale programs that Leidos is the prime contractor for, like IFPC Inc-2, to smaller-scale programs for which Leidos provides support as a subcontractor to companies in the top 100 DoD contractors. Examples of artifacts include, but are not limited to: reliability prediction, Mean Time To Repair (MTTR) analysis, reliability block diagrams (RBD), reliability reports, statistics, Failure Modes Effect (Criticality) Analysis (FMEA/FMECA), Failure Reporting, Analysis, and Corrective Action System (FRACAS).
Senior Specialist, Subcontracts L3Harris Technologies IncSenior Specialist, SubcontractsHuntsville, ALTo help spot these scams, remember that during our formal recruitment process, L3Harris will NOT (1) ask you for money; (2) offer to send you a check before doing any work; (3) require you to provide sensitive personal information early in the process or sensitive information about your previous employer; (4) send you emails from free commercial services (e.g. Qualifications: Bachelor's Degree and a minimum of 6 years of prior relevant contracts experience; or a Graduate Degree and a minimum of 4 years of prior related contracts experience; Or in lieu of a degree, a minimum of 10 years of prior related contracts experience.
Senior Software Engineer/Architect Science Applications International CorpSenior Software Engineer/ArchitectHuntsville, ALRemoteREQUIRED EXPERIENCE AND CLEARANCE: Bachelor's or higher degree in computer science, software engineering, or a related field with 14+ years of professional software engineering experience, including 5+ years in an architect or lead engineering capacity. This is a remote role within the U.S. JOB DESCRIPTION: JRE is a combat-proven datalink gateway that plays a vital role in the defense of the United States and our allies by extending the reach of tactical data across the battlespace and around the globe.
Targets, Test, and Evaluation Senior Program Manager Teledyne TechnologiesTargets, Test, and Evaluation Senior Program ManagerHuntsville, AlabamaGenerally, supervises lower-level supervisors and/or professional staff and may supervise semi-skilled nonexempt employees which include some or all of the following: assemblers, technicians, machinists, welders, operators and clerical support, providing guidance to employees according to established policies and management guidance. Directs subordinates to achieve assignments using established guidelines, procedures and policies by providing leadership to a unit or group of employees, assigning tasks and checking work at frequent intervals to ensure production goals are met within organization goals of budget, time requirements and high level of quality.
Senior Electrical Technician Strata-G SolutionsSenior Electrical TechnicianHuntsville, ALFull timeThis role is responsible for advanced diagnostics, complex repairs, engineering collaboration, and mentoring junior technicians while supporting mission-critical hardware in a controlled, quality-driven environment. At Strata-G, we know it takes talented and dedicated people to deliver solutions for a greater cause, and we consider our employees to be our greatest asset.
Senior Cyber Threat Intelligence Analyst (DoD TS Clearance) MartinFedSenior Cyber Threat Intelligence Analyst (DoD TS Clearance)Huntsville, ALFull timeThe ideal candidate will bring a strategic mindset and strong technical capabilities to help detect, investigate, and neutralize cyber threats to our organization's network and data infrastructure. Founded in 2007 in Huntsville, AL, MartinFed provides the U.S. government with customer-focused, performance-based solutions using technology and an empowered workforce as an engine to drive its customers' missions.
Senior Fiscal Analyst Thompson Gray Inc.Senior Fiscal AnalystRedstone Arsenal, ALFull timeJob Description: We are seeking a highly experienced Senior Fiscal Analyst to serve as a subject‑matter expert in federal budget formulation, Program Objective Memorandum (POM) development, and execution of appropriated funds within the DoD Planning, Programming, Budgeting, and Execution (PPBE) framework. In this role, the analyst will lead the development, analysis, and review of POM builds, PPBE products, and multi‑year funding strategies while ensuring full compliance with fiscal law, execution requirements, and DoD Financial Management Regulation (FMR) guidance.
Senior Cost Analyst Thompson Gray Inc.Senior Cost AnalystRedstone Arsenal, ALFull timeJob Description: Candidate will accomplish requirements in support of a Project Manager and/or Product Manager to include: performing programmatic support to Program, Planning, and Cost Team by preparing or reviewing Life Cycle Cost Estimates, Independent Government Cost Estimates, Proposal Evaluation inputs, tasker inputs, Spend Plans, and other related cost inputs. Duties will include: Communicate effectively with technical, acquisition, resource management, and other functional leads within the directorate to ensure the requirement is fully understood prior to developing Independent Government Estimates (IGEs) to support complex / multifaceted mission requirements, and to assist contracting as required to determine reasonableness of cost and assist with contract negotiations.
Senior Systems Engineer deciBel Research, Inc.Senior Systems EngineerHuntsville, ALFull timeLead critical efforts to prototype, develop, integrate, demonstrate and test advanced Joint Tactical Integrated Fire Control (JTIFC) cross-Service kill chain capabilities in support of the MDA and Joint Services mission. Coordinate efforts across the DoD services, to include multiple government and industry partners through leadership in related Integrated Product Teams and Working Groups.
Senior Quality Engineer Belcan LLCSenior Quality EngineerHuntsville, ALThe Senior Quality Engineer represents the voice of the customer and the voice of quality within cross-functional teams and plays a critical role in preventing quality escapes, resolving customer issues, and embedding quality into engineering and manufacturing processes in compliance with AS9100, FAA, and EASA requirements. Reporting to the Quality Engineering Manager, this role leads complex quality investigations, drives robust corrective actions, and partners cross-functionally to ensure manufacturing and support processes are capable, compliant, and continually improving.
Senior Technical Intelligence Advisor-Foreign Air and Missile Defense Systems KODA Technologies IncSenior Technical Intelligence Advisor-Foreign Air and Missile Defense SystemsHuntsville, ALThis is a non-management senior technical position intended for a nationally recognized subject matter expert who can guide complex technical work, mentor analysts and engineers, support customer engagement, and help expand KODA's skill base and customer base in Scientific and Technical Intelligence Center-related mission areas. Serve as the key senior advisor to KODA leadership in identifying new mission opportunities, shaping technical approaches, developing white papers, supporting proposals, and expanding KODA's customer base in technical intelligence and foreign threat analysis.
Senior Principal Engineer - DoD Missile Defense Woodside Staffing SolutionsSenior Principal Engineer - DoD Missile DefenseHuntsville, AL1. Embedded Program Leadership Work on-site within established DoD programs alongside prime contractor and government teams. This role operates within customer and prime contractor environments, providing technical leadership while helping identify and support program growth opportunities.
Senior Active Directory Engineer DESE Research, Inc.Senior Active Directory EngineerHuntsville, ALFull timeAs a small, family-oriented business, DESE provides a compelling benefits package including a generous profit-sharing plan, competitive salaries, and perhaps most importantly, the opportunity to work alongside talented engineers leveraging cutting-edge technologies to solve complex and engaging problems. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following alternative email address or phone number to contact us about your interest in employment with us: hrandsecurity@dese.com or 256-837-8004x123.
NewSenior Network Engineer with Top Secret Clearance TEEMASenior Network Engineer with Top Secret ClearanceHuntsville, AL$135,000–$145,000This role is ideal for a hands-on network engineer who enjoys solving complex problems, improving performance, and building resilient environments. Diagnose and resolve complex LAN/WAN issues involving routing protocols such as BGP, EIGRP, GRE, and DMVPN.
NewSenior Mechanical Engineer Invariant CorporationSenior Mechanical EngineerHuntsville, ALABAMACollaborate with systems engineering, integration & test, and manufacturing teams to ensure requirements are met and products are production-ready. Proven success in a team environment, working collaboratively with peers across a variety of backgrounds and skillsets, including engineering, technicians, and machinists.
Senior Cybersecurity Analyst Marathon TSSenior Cybersecurity AnalystHuntsville, ALRemoteIncident Response: Establish and implement an operational incident-handling capability for organizational systems, encompassing preparation, detection, forensic collection, analysis, containment, eradication, recovery, user response, and post-incident root-cause analysis. Threat hunting & intelligence: Proactively hunt for threats across networks, endpoints, cloud, and applications using threat intelligence, YARA rules, KQL queries, and custom tooling.
Modeling and Simulation Analyst, Senior Simulation Technologies, Inc.Modeling and Simulation Analyst, SeniorHuntsville, ALFull timeThis critical role will involve working in a distributed Hardware-In-the-Loop (HWIL) simulation environment, contributing to MDA Ground Test (GT) events, Continuous Developmental Integration (CDI) activities, and MDA Flight Test (FT) support. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework.
NewSenior Sales Representative Executive Financial Partners LLCSenior Sales RepresentativeDecatur, AlabamaAs a Senior Sales Representative, you'll manage your territory by developing strong relationships with business owners and decision-makers while driving consistent sales growth. Meet with business owners and decision-makers to understand their needs and present tailored supplemental insurance solutions that protect their employees and strengthen their benefits package.
Senior Integrated Air and Missile Defense (IAMD) SME Torch Technologies IncSenior Integrated Air and Missile Defense (IAMD) SMEALTorch Technologies is seeking a Senior Integrated Air and Missile Defense (IAMD) SME - Patriot Training Program Manager to lead and manage the National Guard Patriot Training Program (PTP) in support of the 263d Army Air and Missile Defense Command (AAMDC) and aligned Air Defense Artillery Brigades. As a Senior Integrated Air and Missile Defense (IAMD) SME - Training Program Lead, your duties will include the following, but are not limited to: Lead and manage the National Guard Patriot Training Program (PTP) supporting the 263d AAMDC and Air Defense Artillery Brigades in South Carolina, Ohio, and Florida.
NewSr. Program Analyst System Studies & SimulationSr. Program AnalystHuntsville, ALhas wholly owned subsidiaries that expand the customer base and increase our annual growth rate: KBFS - provides aviation pilot training, heavy lift, aircraft maintenance, and related aircraft services to government and commercial requirements IAW multiple FAA certifications; S3I - provides OCONUS FMS technical services, maintenance, and aviation platform training; and GLSS - provides SCA/CBA contract aviation maintenance. S ³, Inc. provides technical, programmatic, logistics, maintenance, and training services to space, missile and aviation, other Government agencies, Partner Nation militaries, and DoW requirements, at CONUS and OCONUS sites co-located with customer requirements.
Senior Test Engineer/Analyst Torch Technologies IncSenior Test Engineer/AnalystALBachelor's degree in Engineering, Physics, Mathematics, or another technical discipline, plus 10 years of professional experience supporting DoD systems testing, engineering analysis, data analysis, or related technical fields. Master's degree in Engineering, Physics, Mathematics, or another technical discipline, plus 8 years of professional experience supporting DoD systems testing, engineering analysis, data analysis, or related technical fields.
Senior Drafter Applied Research Associates IncSenior DrafterMadison, AL$60,000–$62,000 / yearBe physically capable of wearing all required personal protective equipment to include, but not limited to safety glasses, respirator, safety shoes, hearing protection and hand protection as required. Gathers, maintains, formats, compiles, and manipulates technical data, such as BOMs, product/material data sheets and engineering design changes.