> Markdown version of [/jobs/ext/1791644-reliability-engineer](https://www.wearedevelopers.com/jobs/ext/1791644-reliability-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Reliability Engineer - **Company:** Mantech International Corporation - **Location:** Lexington Park, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Adobe InDesign, Configuration Management, Databases, Software Requirements Analysis, Systems Modeling Language, Systems Integration, Technical Data Management Systems, MagicDraw, Reliability of Systems - **Published:** July 3, 2026 - **Apply:** https://dejobs.org/x/x/E29DAF1F8A264C2FB625998ACDFA6390/job/ ## About the Role MANTECH seeks a motivated, career and customer-oriented Reliability Engineer to join our team in Lexington Park, MD . This is a hybrid position requiring 3 days remote and 2 days onsite., * 2+ years of experience in Reliability and Maintainability (R&M) Engineering, specifically within defense, aerospace, or complex systems integration * Hands-on analytical and problem-solving skills, with the ability to perform detailed functional decomposition and map system-level requirements to hardware/software elements, * Bachelor of Science in Engineering (Mechanical, Electrical, Aerospace, Systems, or a related technical discipline) * Direct experience with SysML and Model-Based Systems Engineering (MBSE) using tools like Cameo, MagicDraw, or Sparx Systems Enterprise Architect * Deep understanding of core R&M standards, including MIL-STD-1629A (FMECA), MIL-HDBK-217F (Reliability Prediction) * Advanced knowledge of Technical Data Package (TDP) validation, with the ability to interpret assembly drawings, parts lists, and engineering notes per ASME Y14.100 and ASME Y14.24 * Familiarity with configuration management and identification standards, specifically regarding Reference Designators per ASME Y14.44 and Configuration Management principles per ANSI/EIA-649C * Experience identifying drawing discrepancies or design ambiguities and driving design change through formal engineering channels * Experience in Logistics Product Data (LPD) integration, with a working knowledge of GEIA-STD-0007 and the interface between R&M artifacts and sustainment databases Security Clearance Requirements: * Must be a US Citizen and possess a current or active Secret Security Clearance Physical Requirements: * Must be able to remain in a stationary position 50% of the time. * Needs to occasionally move about inside the office or hangar environments to access aircraft, equipment, and technical files. * Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. * Must be able to exchange accurate information in these situations. ## Description * Participate in design reviews and document technical assumptions to maintain analytical progress despite design ambiguities * Perform functional decomposition to map system requirements to specific hardware and software elements * Execute Physics of Failure (PoF) analysis and component-level reliability predictions utilizing MIL-HDBK-217F (or similar part-stress methodologies) to assess hardware durability and Mean Time Between Failure (MTBF) * Conduct comprehensive reliability analyses including FMECA per MIL-STD-1629A, Fault Tree Analysis (FTA), and Reliability Block Diagrams (RBD) to identify failure modes and develop design mitigations * Conduct maintainability analyses such as Maintenance Task Analysis (MTA), Level of Repair Analysis (LORA), and Reliability Centered Maintenance (RCM) to develop efficient preventative schedules and most cost-effective maintenance posture * Interface with logistics stakeholders to ensure R&M analytical outputs are formatted and optimized for seamless integration into the Logistics Product Data (LPD) environment per GEIA-STD-0007 * Develop and maintain R&M artifacts within a Model-Based Systems Engineering (MBSE) environment using SysML, ensuring all Product Support Analysis (PSA) is centralized according to the established Model Governance Plan ## Related Videos - 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