{"id":3607054,"url":"https://alion.io/job/geosyntec-consultants-senior-project-engineer","title":"Senior Project Engineer","company":{"id":1914249,"name":"Geosyntec Consultants","domain":"geosyntec.com","url":"https://alion.io/company/geosyntec","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"iCIMS","truth_index":{"grade":"A","score":90,"open_postings":5,"ghost_share":0.2,"stale_share":0,"repost_share":0.2,"time_to_fill_p50_days":18,"computed_at":"2026-11-05T05:54:30Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Los Alamos, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Microsoft Office","optional":false}],"status":"live","first_seen_at":"2026-11-02T12:06:14Z","employer_posted_date":"2026-11-02","last_verified_at":"2026-11-05T07:46:02Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Overview\nLongenecker & Associates (L&A), a Geosyntec Company, is a trusted partner enabling critical missions across the U.S. Department of Energy (DOE) complex for more than 30 years. We contribute to DOE’s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivatedSenior Project Engineer to contribute to our mission supporting our work at Los Alamos NationalLab in Los Alamos, NM.\nGeosyntec is an innovative, international engineering and consulting firm serving private and public-sector clients to address new ventures and complex problems involving our environment, natural resources, and civil infrastructure. Our engineers, scientists, technical and project employees serve our clients from offices across the world. Ranked by ENR as one of the top environmental engineering design firms, Geosyntec is internationally known for its technical leadership, broad experience, and exceptional client service.\nWe invest in our people. Each employee is unique, and your career at Geosyntec will be too. We offer competitive pay and benefits, and well-being programs to support you and your family.\nTo Learn More Visit: http://www.geosyntec.com/careers/.\nEssential Duties and Responsibilities\nWe are seeking a highly skilled, on-site Senior Project Engineer to lead / accomplish engineering effort.\nPossess critical skills of design management and construction support for large-scale infrastructure and security-oriented projects. \nIn this role, you will be the technical backbone of our physical security installations and infrastructure deployments, ensuring complex designs are translated flawlessly into hardened, high-performing facilities. \nOperating strictly on-site, you will serve as the primary technical liaison between project management, multidisciplinary design teams, physical security engineers, and interface with construction management to deliver mission-critical projects on schedule and within budget. \nThe role carries accountability for the full engineering lifecycle of assigned scope from project definition and design development through construction, commissioning, turnover, and closeout.\nSupervises the engineering activity (all disciplines) on a project, or designated portions of a project, for a global business unit. \nPlans and directs engineering assignments on the project. \nDemonstrates technical responsibilities for interpreting, organizing, executing, and coordinating these assignments.\nCoordinate security and infrastructure design interfaces, aligning MEP, structural, network architectures, and specialized physical/electronic security sub-systems.\nUtilize Aproove to manage collaborative online proofing, ensuring all security layout, structures, communication, site work and other associated construction drawings, schematics, and design iterations undergo rigorous review and approval.\nConduct strict constructability reviews targeting high-security requirements, physical barriers, access control layouts, and critical utility pathing.\nDrive efficient engineering solutions that optimize infrastructure longevity and physical security profiles without compromising project budgets or contract compliance.\nLead combined Project Engineer and Field Engineer functions, Serve as the accountable engineering point of contact for assigned scope, maintaining the technical path forward and integrating decisions across the project.\nIntegrate multidisciplinary design work across civil, structural, architectural, mechanical, electrical, fire protection, network, security, and facility-system interfaces.\nLead engineering coordination with designers of record, construction subcontractors, facility operations, safety, security, quality, and other project stakeholders.\nManage engineering changes and technical-resolution processes, including Field Change Requests, Design Revision Notices, Requests for Information, nonconformance dispositions, design clarifications, constructability reviews, and field-change evaluations.\nManage technical document control, submittals, and RFIs directly from the job site using ProjectSight to maintain a single, real-time source of truth.\nPerform cost engineering and progress tracking via Delta, evaluating subcontractor change orders, managing cost projections, and maintaining strict commercial compliance.\nProvide technical resolution for complex field conflicts, ensuring that changes to infrastructure do not breach security design intent.\nTrack critical scheduling milestones using Microsoft Office tools, optimizing sequencing for high-security component handoffs and site testing.\nEnforce comprehensive quality control metrics, conducting routine field inspections to verify that installations meet infrastructure structural specs and security classifications.\nMentor and provide guidance to junior engineers on-site, fostering technical mastery in infrastructure delivery and security compliance.\nEvaluate design outputs and construction activities for code compliance, quality requirements, configuration management, safety interfaces, security impacts, and applicable engineering procedures.\nIdentify technical, schedule, construction, and interface risks; develop practical resolution paths; and elevate matters requiring management or stakeholder decisions.\nMaintain project-level visibility of engineering deliverables, reviews, approvals, commitments, and critical-path actions supporting construction execution and major milestones.\nSupport commissioning, turnover, closeout, and records completion to achieve a compliant transition of completed work to the customer.\nEducation and Licensure\nBachelor’s degree in Civil Engineering, Mechanical Engineering, Electrical Engineering, or a related discipline / equivalent experience.\nSpecialized courses in relevant general engineering, architectural design or an appropriate engineering discipline, and progressive work experience, including supervision, preferably in project design engineering; may include other relevant types of engineering including startup, field engineering or plant operation in large industrial plants, utilities, process plants or engineering/construction firms.\nSkills, Experience and Qualifications\nREQUIRED SKILLS, EXPERIENCE AND QUALIFICATIONS:\nAt least 10 years of project engineering experience specifically focused on commercial infrastructure, civil works, or high-security/government-adjacent facilities of relevant experience or equivalent combination of education and experience. (required)\nHands-on, proficient experience with ProjectSight or equivalent (project management), Delta (cost/financial tracking), Aproove or equivalent (proofing/design review), and the Microsoft Office Suite.(required)\nExceptional attention to detail regarding physical layout compliance, strict document control, and clear communication under tight project deadlines.\n Proven ability to make sound technical decisions; coordinate diverse stakeholders; manage technical risk; and communicate clear, timely engineering direction.(required)\nDue to federal contract security requirements, this position requires U.S. Citizenship. (required)\nDue to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance. (required)\nHealth & Safety training, medical monitoring, and client-driven drug and background testing. (required)\nPREFERRED QUALIFICATIONS & LOCATION DETAILS:\nDemonstrated experience leading work through design, field execution, turnover, and closeout in a high-consequence, security-sensitive, or nuclear-facility environment is preferred\nWork Environment: Willingness and capability to work 100% on-site at our designated project locations.\nPlease note that federal contractors are required to maintain a drug-free workplace. 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