{"id":2106016,"url":"https://alion.io/job/prosidian-consulting-senior-mechanical-engineer-construction-engineering-co102","title":"Senior Mechanical Engineer – Construction - Engineering (CO102)","company":{"id":6337,"name":"ProSidian Consulting","domain":"prosidian.com","url":"https://alion.io/company/prosidian","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"services","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"A","score":95,"open_postings":296,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":366,"computed_at":"2026-10-25T05:49:26Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":"contractor","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Aiken, United States"],"countries":["US"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":79000,"max_usd":150000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":5966},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-08T18:13:59Z","employer_posted_date":"2026-10-08","last_verified_at":"2026-10-26T04:14:43Z","board_verified":true,"closed_at":null,"days_open":17,"trust":{"level":"ok","repost_count":0,"flags":["company_stale"],"days_open":17},"description":"ProSidian is a Management and Operations Consulting Services firm that focuses on delivering value to clients through tailored solutions grounded in industry-leading practices. ProSidian provides enterprise services/solutions for Risk Management | Compliance | Business Process | IT Effectiveness | Engineering | Environmental | Sustainability | Human Capital. We help forward-thinking clients solve problems and improve operations. Launched by Management Consultants, our multidisciplinary teams bring together the talents of global professionals to complete a wide range of engagements for public and private, defense and civilian government, and non-profit organizations. Our solution-centric services are deployed across the enterprise, target drivers of economic profit (growth, margin, and efficiency), and are aligned at the intersections of assets, processes, policies, and people delivering value. See Link to the ProSidian website at www.ProSidian.com\n ProSidian Seeks a Senior Mechanical Engineer - Construction - Engineering (CO102) as an Engagement Team Member generally located across the Savannah River Site / Aiken, South Carolina supporting Environmental Management Sector requirements to support an engagement for a liquid waste contractor (Savannah River Remediation [SRMC]) at the Savannah River Site in Aiken, SC, which is owned by the U.S. Department of Energy.\nJOB OVERVIEW\nProvide services and support as an Engineering Functional Area Senior Mechanical Engineer - Construction (CO102) under Labor Category: Construction Discipline Engineer at Savannah River Site / Aiken, South Carolina. Senior Mechanical Engineer - Construction - Engineering (CO102) work collaboratively as part of the ProSidian Engagement Team as Exempt personnel. Dedicated Planned Labor Hours (DPLH) of 2080 Straight Time (ST) Estimated Annual Quantity (Hrs. Per Yr.) | 300 Overtime Time (OT) Estimated Annual Quantity (Hrs. Per Yr.). This as a Labor Hour Subcontract or Contract W-2 (IRS-1099) Position and ProSidian reserves the right to convert to a Full-Time ProSidian employed W-2 Position. The role(s) are located at Savannah River Site / Aiken, South Carolina with identified Work Site Address (121 Richland Ave E, Aiken, SC 29801, USA), providing Engineering functions working to provide BOA Support Services for multiple department requirement Service Areas (SA) for Savannah River Remediation LLC (The SRMC/LW Contractor) at the U.S. Department of Energy | Savannah River Site (DOE-SRS) in Aiken, SC to support the evolving needs of the organization.\nRESPONSIBILITIES AND DUTIES- Senior Mechanical Engineer - Construction - Engineering (CO102)\nProvide planning and technical oversight for mechanical field construction involving procurement, fabrication, installation, modification, and maintenance of systems and components.\nCoordinate with design agencies to obtain timely designs and changes; conduct field walkdowns with design engineers; review vendor and design outputs for constructability, procedure and code compliance, field-condition alignment, and material availability; submit and track comments through resolution; support project design-review meetings; and resolve field design problems with design engineers.\nInspect and verify materials, equipment, installed quantities, and workmanship against drawings, specifications, codes, and ordered materials. Coordinate with Quality Control on inspection and test records and installation acceptance. Develop or expedite bills of material, monitor delivery status, arrange field delivery, order additional material, coordinate material testing, and track shop fabrication.\nDevelop computer-based work execution plans and packages, including installation sequences, work instructions, layout/survey requests, job-specific hazard analyses, inspection/test records, required permits, approval-routing lists, comment dispositions, and approved package assembly. Update package status in the SRS work control passport system; lead pre-job briefings and task-ready walkdowns; provide daily field coverage; resolve installation issues; support turnover, start-up, and functional checkout; issue design completion notices; close permits; and close work-plan documentation. \nConstruction Discipline Engineer Mechanical - The position requires the following specific requirements:\nThorough understanding of Construction Mechanical Engineering principals and the ability to apply these principles to field conditions\nFamiliar with National Codes and Standards (ASME relative to Tank fabrication/installation, rotating and stationary Equipment, H&V, Insulation, etc.) and capable of interpreting and analyzing requirements to ensure compliance\nKnowledge of SRS specific mechanical guides and standards is a plus\nExperienced in H&V fabrication / installation / testing\nExperienced in setting of equipment, pumps, and alignments\nExperienced in insulation removal and installation (knowledge of asbestos abatement would be a plus)\nExperience in developing ordinary and critical lift plans is a plus\nExperience in radiological work planning and hazard analysis is desirable\nCapable of climbing and spending extended periods of time in the field\nCapable of obtaining qualification to work in radiological work areas\n Desired Qualifications For Senior Mechanical Engineer - Construction - Engineering (CO102) (CO102) Candidates:\nThorough knowledge of construction mechanical engineering principles and their application to field conditions. Working knowledge of discipline-specific codes and standards, including relevant ASME requirements for tank fabrication/installation, rotating and stationary equipment, heating and ventilation (H&V), and insulation, with the ability to interpret and analyze requirements for compliance.\nRequired experience includes construction work execution plan generation, preferably in Asset Suite or an equivalent work-control system; job-specific hazard analysis; material takeoff and procurement support; field inspection; and coordination across design, Quality Control, craft supervision, survey, procurement, fabrication, start-up, and support organizations.\nRelevant practical experience should cover H&V fabrication, installation, and testing; equipment and pump setting and alignment; and insulation removal and installation. Knowledge of SRS-specific mechanical guides and standards is preferred. Experience with asbestos abatement, ordinary and critical lift plans, and radiological work planning/hazard analysis is beneficial or desirable as stated in the posting. \nDesign Output Constructability Reviews\nReview design output and vendor documents Field walk down with design engineers\nVerify design constructability including procedure and code compliance Verify field conditions vs. Design output\nVerify material availability Submit constructability comments Track comments to resolution\nSupport project team design review meetings\nField Material Take-Off & Procurement Support\nDevelop / expedite bill of materials (BOM) Track the progress / status of material delivery Coordinate delivery of material to the field\nVerification of received material vs. Ordered material\nWork Execution Plan Development\nWalk downs with craft supervision & support groups Develop installation sequence\nGenerate work instructions\nGenerate inspection and test records or coordinate with quality control Understand layout/ survey needs and generate layout/ survey requests Generate hazards analysis for field execution of construction scope Support/lead team hazard analysis review meetings\nWork Execution Plan Development\nGenerate or support the generation of job specific permits as required Lockout/tagout order\nPower services utilization permit Hot work\nAsbestos disturbance Confined space Radiological Excavation Hazardous waste\nWork Execution Plan Review & Approval\nAttend I chair execution plan review meetings Develop routing for list for hazards analysis approval Develop routing list for work plan approval\nCoordinate and expedite work package approval routing Disposition comments to the work execution plan Assemble approved work execution plan\nProvide status & update of work execution plan in the SRS work control passport system\nWork Execution Field Coverage & Support\nLead pre-job briefings with craft workers\nPerform task ready walk down with craft supervision Verify quantities of installed commodities Coordinate daily field support\nExpedite / order material as required Coordinate material testing\nCoordinate and status shop fabrication in support of field execution Perform field inspections\nIdentify and coordinate resolution of field installation issues\nWork Execution Plan Closure\nGenerate design completion notices\nEnsure accuracy of work execution plan status Close all required permits\nClose work execution plan documentation\nEducation / Experience Requirements / Qualifications\nMinimum Qualifications:\nBachelor's degree in Mechanical engineering and at least 5 years of practical experience in construction Mechanical field engineering or\nAssociate's degree in (specified discipline) engineering and 5-10 years of practical experience in construction Mechanical engineering or\nHigh school diploma and 10+ years of practical experience in construction Mechanical Engineering\nWorking knowledge of discipline specific codes and standards\nMinimum Experience\nPrevious experience with generating work execution plans (preferably utilizing the Asset Suite work control system)\nPrevious experience with generating job hazards analysis\nPrevious experience performing material take off and procurement\nMechanical Engineering = (Mechanical, Piping, Electrical, Civil, Instruments and Controls) as determined by requestor\nThorough knowledge of construction mechanical engineering principles and their application to field conditions. Working knowledge of discipline-specific codes and standards, including relevant ASME requirements for tank fabrication/installation, rotating and stationary equipment, heating and ventilation (H&V), and insulation, with the ability to interpret and analyze requirements for compliance.\nRequired experience includes construction work execution plan generation, preferably in Asset Suite or an equivalent work-control system; job-specific hazard analysis; material takeoff and procurement support; field inspection; and coordination across design, Quality Control, craft supervision, survey, procurement, fabrication, start-up, and support organizations.\nRelevant practical experience should cover H&V fabrication, installation, and testing; equipment and pump setting and alignment; and insulation removal and installation. Knowledge of SRS-specific mechanical guides and standards is preferred. Experience with asbestos abatement, ordinary and critical lift plans, and radiological work planning/hazard analysis is beneficial or desirable as stated in the posting. \nDesign Output Constructability Reviews\nReview design output and vendor documents Field walk down with design engineers\nVerify design constructability including procedure and code compliance Verify field conditions vs. Design output\nVerify material availability Submit constructability comments Track comments to resolution\nSupport project team design review meetings\nField Material Take-Off & Procurement Support\nDevelop / expedite bill of materials (BOM) Track the progress / status of material delivery Coordinate delivery of material to the field\nVerification of received material vs. Ordered material\nWork Execution Plan Development\nWalk downs with craft supervision & support groups Develop installation sequence\nGenerate work instructions\nGenerate inspection and test records or coordinate with quality control Understand layout/ survey needs and generate layout/ survey requests Generate hazards analysis for field execution of construction scope Support/lead team hazard analysis review meetings\nWork Execution Plan Development\nGenerate or support the generation of job specific permits as required Lockou...","description_format":"text","description_chars":21842,"description_truncated":true,"requirements":{"experience_years_min":5,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"high_school","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Continuous learning","Growth opportunities","Veteran hiring program"],"hiring_locations":[],"hiring_excludes":[{"name":"United States","iso":"US"}],"relocation_offered":false,"industries":["Energy & Utilities","Government","Professional Services","Management Consulting"],"lifecycle":[{"event":"open","at":"2026-10-08T20:23:05Z"}],"visa":[],"liveness":{"score":99,"band":"hot","label":"Hiring now","p_open":1,"p_active":0.993,"p_room":1,"age_days":16,"expected_fill_days":366,"reasons":["conf:0","urgency","velocity","win:early","comp:brand"],"computed_at":"2026-10-25T05:49:26Z"},"pay":null,"html_url":"https://alion.io/job/prosidian-consulting-senior-mechanical-engineer-construction-engineering-co102","json_url":"https://alion.io/job/prosidian-consulting-senior-mechanical-engineer-construction-engineering-co102.json","meta":{"generated_at":"2026-10-26T05:21:21Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":7230,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-27T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":6337},"rest":"https://alion.io/mcp/rest/get_company?id=6337"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Fprosidian-consulting-senior-mechanical-engineer-construction-engineering-co102"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Fprosidian-consulting-senior-mechanical-engineer-construction-engineering-co102"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Fprosidian-consulting-senior-mechanical-engineer-construction-engineering-co102"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/prosidian-consulting-senior-mechanical-engineer-construction-engineering-co102\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Fprosidian-consulting-senior-mechanical-engineer-construction-engineering-co102"}]}