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Longenecker Associates Jobs (NOW HIRING)

Program Manager III

Los Alamos, NM ยท On-site

$68K - $75K/yr

Overview Longenecker & 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 ...

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How much do longenecker associates jobs pay per hour?

As of Jun 20, 2026, the average hourly pay for longenecker associates in the United States is $19.01, according to ZipRecruiter salary data. Most workers in this role earn between $15.14 and $20.19 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Project Manager at Longenecker Associates, and why are they important?

To thrive as a Project Manager at Longenecker Associates, you need a background in project management, familiarity with regulatory environments, and relevant degrees such as engineering or business administration. Experience with project management tools like Microsoft Project, familiarity with DOE systems, and certifications such as PMP are highly valued. Strong communication, leadership, and problem-solving skills are essential for coordinating teams and managing complex projects. These skills and qualifications are vital to ensure projects are delivered on time, within budget, and in compliance with regulatory requirements.

What is the difference between Longenecker Associates vs Project Engineer?

AspectLongenecker AssociatesProject Engineer
Required CredentialsBachelor's degree in engineering or related field; relevant certificationsBachelor's degree in engineering or related field; often some certifications
Work EnvironmentConsulting, government, and industrial projectsConstruction sites, industrial facilities, project management offices
Employer & Industry UsageEngineering consulting firms, government agenciesConstruction firms, engineering companies, industrial sectors
Common Search & ComparisonYesYes

Longenecker Associates and Project Engineer roles share similar educational backgrounds and work environments, often within engineering consulting or industrial sectors. While Longenecker Associates focuses on consulting and government projects, Project Engineers are more involved in overseeing specific projects on-site. Both roles require relevant engineering credentials and are frequently compared by job seekers in the engineering and industrial fields.

What types of projects might I work on as a team member at Longenecker Associates, and how does the company support professional development?

At Longenecker Associates, team members are often involved in projects related to nuclear operations, project management, engineering, and regulatory compliance, particularly for clients in the Department of Energy and national laboratory sectors. Employees typically collaborate in multidisciplinary teams, working closely with clients and other contractors to solve complex technical and operational challenges. The company values ongoing professional growth and provides opportunities for training, certification, and mentorship, enabling employees to advance their skills and take on more responsibility over time.

What is Longenecker Associates and what kind of jobs do they offer?

Longenecker Associates is a consulting firm that provides technical, management, and professional services to the U.S. Department of Energy, national laboratories, and organizations in the nuclear and environmental sectors. They offer jobs in project management, engineering, safety analysis, and regulatory compliance, among others. Employees at Longenecker Associates typically work on complex government projects, supporting national security, environmental remediation, and infrastructure modernization. The company values expertise in technical fields and frequently seeks professionals with backgrounds in engineering, science, and project management.
What cities are hiring for Longenecker Associates jobs? Cities with the most Longenecker Associates job openings:
What states have the most Longenecker Associates jobs? States with the most job openings for Longenecker Associates jobs include:
Principal I&C Design Engineer

Principal I&C Design Engineer

Geosyntec Consultants, Inc.

Greenville, SC โ€ข On-site

Full-time

Posted 18 days ago


Job description

Longenecker & 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 DOEโ€™s nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Instrumentation and Controls Engineerย to contribute to our mission supporting our work inย Greenville, SC or Houston, TX.

Geosyntec 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.

We invest in our people.ย  Each employee is unique, and your career at Geosyntec will be too.ย  We offerย competitive pay and benefits, and well-being programsย to support you and your family.

To Learn More Visit:ย http://www.geosyntec.com/careers/.


Provide the essential administrative processes, technical knowledge and leadership as described below. This position has oversight of a specific project area and acts as a representative of the engineering discipline ensuring technical accuracy in project execution in all phases. This is a lead position on assigned projects performing engineering assignments of advanced complexity.

  • Under general supervision of the Discipline Lead Engineer, serve as a Supervising Lead providing guidance and supervision to other engineers and designers;
  • Analyze and make independent recommendations regarding technical solutions to problems of advanced complexity in accordance with project requirements;
  • Develop and review specifications and design criteria;
  • Perform and check engineering analyses and calculations; specify materials, equipment systems; and solve technical problems of advanced complexity;
  • Coordinate technical issues with other disciplines, project management, vendors, and clients;
  • Execute work in compliance with Project Quality Plan and procedures;
  • Execute work in accordance with the approved project scope, cost, and schedule baselines;
  • Develop and review estimates, schedules, and progress reports including effort hour estimating and staff forecasting;
  • Establish, control and report on material key quantities; provide analysis and forecasts;
  • Provide technical support to activities associated with equipment and material procurement and subcontracting including scopes of work, technical bid evaluations, and review of vendor submittals;
  • Provide technical support to activities associated with construction administration including response to construction requests-for-information and field changes;
  • Perform a broad range of I&C design activities, including design definition, control systems architecture and development, digital systems, Programmable Logic Controller (PLC), Distributed Control Systems (DCS), network configuration, logic development, network switches, process controls, Piping and Instrumentation Diagram (P&ID) development support and review, Human Machine Interfaces (HMI), communication protocols, routing, and layout, Safety Integrity Level (SIL), and procurement activities;
  • Perform control systems sizing calculations for control valves, relief valves, flow elements, thermowells and other instrumentation;
  • Prepare and modify instrument and control systems design documents (e.g., instrument datasheets, Input / Output wiring diagrams, schematics, panel layouts, logic diagrams, cable schedules, and instrument installation details;
  • Perform control systems sizing calculations for control valves, relief valves, flow elements, thermowells and other instrumentation;
  • Create instrument index and datasheets and generate reports in Intergraph SmartPlant Instrumentation (SPI) database;
  • Develop intermediate complexity control systems narrative specifications;
  • Develop basic control systems logic diagrams and/or cause and effect diagrams;
  • Represent control systems and participate in model reviews;
  • Develop specifications and design of DCS, PLC and Safety Instrumented,Systems (SIS) hardware and software applications; monitor DCS / PLC / SIS design developed by the design group.red); ย and
  • Other duties as assigned.

  • Bachelor of Science degree in Control Systems Engineering, Electrical Engineering, Chemical Engineering or related engineering field. (required)
  • Professional registration (i.e., P.E.). (preferred)

  • At least 15 years of related work experience.ย (required)
  • Working knowledge of applicable federal, state, and local codes (including DOE orders).
  • Experience providing EPC services on large industrial projects.
  • 3D modeling and 2D CADD experience.
  • Due to federal contract security requirements, this position requires U.S. Citizenship.ย 
  • Due to federal contract security requirements, candidates must be able to successfully pass a federal background investigation to secure and maintain DOE Q security clearance.
  • Successful candidates will be able to perform the essential functions of the job with or without reasonable accommodation. This job posting reflects managementโ€™s assignment of essential functions and the descriptions listed do not restrict managementโ€™s right to assign or reassign duties and responsibilities to this job at any time.
  • Health & Safety training, medical monitoring, and client-driven drug and background testing required.

Please note that marijuana remains a Schedule III controlled substance under Federal Law. Federal contractors must follow Federal drug-free workplace rules, which prohibit marijuana use, even if medical or recreational use is permitted under State Law.ย 

PREFERRED QUALICIATIONS & LOCATION DETAILS:

  • Practical field experience
  • EPC project experience for the following industries:
    • U.S Department of Energy or other U.S. Federal Government Agency
    • Nuclear facilities under a nuclear quality assurance program
    • Manufacturing, pharmaceutical or biotechnology
  • Proficiency with Bentley MicroStation
  • Proficiency with Autodesk AutoCAD
  • Proficiency with Intergraph SPI
  • Intermediate knowledge of:
    • Specifying instrumentation
    • Control systems procurement activities
    • P&ID representation; can recognize / report problems associated with control systems representation on P&ID
    • Developing control strategies and representing P&ID
  • Work is based in Greenville, SC or Houston, TX.