Sr. Construction Project Manager

Geosyntec Consultants; Amarillo (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Longenecker & Associates (L&A), a Geosyntec Company, seeks a Sr. Construction Project Manager to lead large-scale capital projects at DOE/NNSA sites, including Pantex in Amarillo, TX.

You will guide design through closeout, manage budgets, and drive safety and quality in complex programs. The role requires extensive construction leadership, DOE project experience, and the ability to interface with senior stakeholders while delivering on time and within budget.

Qualifications

• Must pass federal background investigation to secure DOE Q security clearance if required.
• U.S. Citizenship required.
• Health & Safety training, medical monitoring, and background/drug testing.
• 30+ years of related experience in construction.
• In-depth knowledge of construction, cost and scheduling, subcontract administration.
• Knowledge of DOE Orders and Regulations and industry codes.
• Minimum 10 years of management and leadership directing multidisciplinary teams.

Responsibilities

• Lead large, complex projects from initiation through completion with schedules, budgets, and risk management.
• Oversee project controls, cost management, and contract administration to meet budgets and objectives.
• Manage client and stakeholder relationships, presenting status and recommendations to executives.
• Identify and mitigate project risks and ensure compliance with safety, security and quality standards.

Skills

Federal background investigation

Construction management

DOE/NNSA experience

Leadership and team management

Heavy civil construction

Cost and scheduling management

DOE Orders & regulations

Education

Bachelor's Degree in related field

Professional Engineer (PE)

Tools

EVMS

Project controls software

Job description

Sr. Construction Project Manager

Primary Location: US-TX-Amarillo

ID: 2026-4787

Category: Project Management

Position Type: Regular Full-Time

Remote: No

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 35 years. We contribute to DOE's nuclear security and environmental remediation enterprise by providing the highest-caliber staff and experts. We are seeking a motivated Sr. Project Manager contribute to our mission supporting our work at Pantex in Amarillo,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. 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.

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

Essential Duties and Responsibilities

The Senior Project Manager is responsible for the leadership, planning, execution, and successful delivery of large-scale capital assets, infrastructure, engineering, construction, and government-funded projects. This position oversees complex projects from strategic planning through design, procurement, construction, commissioning, and closeout while ensuring compliance with contractual, regulatory, safety, and organizational requirements.

The successful candidate will have extensive experience managing high-value projects, leading multidisciplinary teams, directing subordinate project managers, and interfacing with executive leadership, clients, and government stakeholders. Experience with DOE, NNSA, federal capital asset projects, and DOE Order 413.3B project is required. Extensive Heavy Civil Construction industry experience is preferred.

Project Leadership: Lead large, complex projects and programs from initiation through completion. Develop project execution strategies, schedules, budgets, risk management plans, and performance metrics. Manage project scope, schedule, cost, quality, and operational objectives. Direct project teams consisting of engineers, project controls specialists, procurement personnel, construction managers, and technical staff. Provide leadership and oversight to multiple project managers and functional managers. Establish priorities and allocate resources to maximize project performance. Develop recovery plans for schedule or cost performance issues. Support long-range capital planning and strategic project development.

Financial Management: Develop and manage project budgets ranging from several million dollars to multi-billion-dollar capital asset programs. Monitor forecasts, earned value performance, cash flow, and resource utilization. Ensure projects meet financial objectives and contractual requirements. Review and approve project expenditures and change management activities.

Client and Stakeholder Management: Serve as the primary interface with senior leadership, federal agencies, clients, regulators, and external stakeholders. Present project status, risks, opportunities, and recommendations to executive leadership. Foster strong client relationships and maintain stakeholder confidence throughout project execution.

Risk and Compliance Management: Identify, evaluate, and mitigate project risks. Ensure compliance with applicable regulations, industry standards safety, security requirements, and quality management systems. Manage project controls and governance processes to ensure successful delivery.

Education and Licensure

Bachelor's Degree in related field. Additional experience can be considered in lieu of education.

Skills, Experience and Qualifications

• 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 if required.
• Due to federal contract security requirements, this position requires U.S. Citizenship.
• Health & Safety training, medical monitoring, and client-driven drug and background testing.
• 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.
• 30+ years of related experience in construction.
• In-depth knowledge of construction, cost and scheduling, subcontract administration, and the ability to develop or evaluate construction strategies/techniques.
• Knowledge of operations, maintenance, or project startup and construction management and construction subcontracts.
• Thorough knowledge of the principles and methods of multiple engineering disciplines including design and construction in addition to business disciplines such as procurement, planning, scheduling, cost/budget control.
• Knowledge of DOE Orders and Regulations as well as commercial industry codes and standards and practices.
• Minimum 10 years of management and leadership experience directing multidisciplinary project teams.

Preferred Qualifications and Location Details

• DOE Order 413.3B Capital Asset Project delivery experience.
• Department of Energy (DOE) and National Nuclear Security Administration (NNSA) project experience.
• Nuclear facility, energy infrastructure, environmental remediation, industrial construction, transportation, and heavy civil project experience.
• Experience supporting Critical Decision (CD) processes and federal project governance requirements.
• Earned Value Management System (EVMS) implementation and oversight experience.
• Professional Engineer (PE)
• OSHA 40-Hour Training/ Cert.
• Prior Pantex Project Management Experience preferred.

As an L&A employee, you will be eligible for a competitive salary as well as a comprehensive benefits package including healthcare (medical and dental), 401K plan, and paid time off. We believe in investing in our employees beyond compensation and as an L&A employee, you will have access to in-house training, career pathing, mentoring, award programs, tuition reimbursement and much more.

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