Commercial Building Engineer in Bethesda

Energy Jobline ZR; Bethesda (MD); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Medical Coverage and Prescription

Dental Insurance

Flexible Spending Accounts

Company-Paid Short-Term & Long-Term

Company-Paid Basic Life Insurance

401(k) Retirement Plan

Paid Time Off

Professional growth and leadership

Job summary

ISN Corporation in Bethesda, MD is seeking a Full-Time Commercial Building Engineer to maintain the seven-story facility's MEP, HVAC, and related systems. Strong Pneumatic HVAC experience is required, with at least five years in a related role and proficiency with PLCs and mechanical systems.

You will coordinate maintenance contracts and projects, oversee vendors and contractors, and maintain rigorous safety and reporting standards to support facility operations and tenant satisfaction.

Qualifications

• Minimum of five years of experience as a Commercial Building Engineer is required.
• 5 years minimum of experience with programmable logic controllers.
• 5 years minimum of experience with mechanical systems.
• Must have Pneumatic HVAC systems experience.

Responsibilities

• Operate, monitor, maintain, and troubleshoot building MEP, HVAC, alarm, security systems for seven-story facility.
• Perform daily preventive maintenance per schedules; ensure safe, efficient operation.
• Hand-on maintenance and troubleshooting of pneumatic HVAC system; manage dampers and thermostats.
• Maintain and monitor major equipment including HVAC systems, cooling towers, generators, and mechanical equipment.
• Document inspections, maintenance, repairs; provide reports to Director’s Office.
• Coordinate maintenance contracts and vendors; obtain quotes and coordinate services.
• Oversee building projects and services (painting, equipment moves, repairs).
• Work with vendors, contractors, management, and tenants to address service requests.
• Respond to tenant needs and building operations while maintaining high customer service.
• Ensure systems comply with safety requirements and manufacturer recommendations.

Skills

Commercial Building Engineer

HVAC systems

Pneumatic controls

Programmable logic controllers

Vendor management

Tools

PLC programming

Job description

Job DescriptionJob Description

Join a Company Where Your Work Makes a Difference

At ISN, we believe our people are the driving force behind our success. For more than 45 years, we've partnered with over 150 federal agencies to deliver innovative, mission-critical solutions that strengthen government mission and serve the public.

Recognized over 25 times by the Washington Business Journal as one of the 50 Fastest Growing Government Contractors and by the Inc. 5000 as one of the Fastest Growing Private Companies, ISN continues to grow through exceptional service, innovation, and a commitment to excellence. We have earned more than 100 commendation letters from our customers recognizing our commitment to exceptional quality, timely delivery, and unwavering integrity. We take pride in our role as a trusted government partner, delivering innovative solutions that benefit society, strengthen security, and support mission-critical operations.

At ISN, you'll find more than a job—you'll find an opportunity to build your career, collaborate with talented professionals, and make a meaningful impact supporting important federal missions. We foster a collaborative, inclusive culture where employees are encouraged to learn, grow, share ideas, and contribute to innovative solutions for our customers.

Whether you're just beginning your career or bringing years of experience, you'll join a team that values integrity, accountability, teamwork, and continuous improvement. If you're passionate about making a difference and delivering exceptional results, we'd love to have you on our team.

Why You'll Love Working at ISN

We believe great employees deserve great support. Our comprehensive benefits package includes:

• Comprehensive Medical Coverage with Prescription Benefits
• Dental Insurance
• Flexible Spending Accounts (FSA)
• Company-Paid Short-Term & Long-Term
• Company-Paid Basic Life Insurance
• 401(k) Retirement Plan
• Paid Time Off beginning on your first day of employment
• Professional growth and leadership development opportunities

We are looking to add a Full-Time Commercial Building Engineer to our Headquarters in Bethesda, Maryland

Key Responsibilities

• Independently operate, monitor, maintain, and troubleshoot the building’s MEP, HVAC, alarm, security, and related building systems, including equipment serving the seven-story commercial facility and surrounding grounds.
• Perform and document daily preventive maintenance in accordance with established schedules, ensuring all equipment and systems operate safely and efficiently.
• Provide hands-on maintenance and troubleshooting of the building’s pneumatic HVAC system, including manual thermostats, compressed-air controls, and ceiling-mounted dampers.
• Strong hands-on experience with pneumatic HVAC systems is required.
• Maintain and monitor major building equipment, including HVAC systems, cooling towers, generators, and associated mechanical equipment.
• Maintain accurate daily records of inspections, maintenance activities, repairs, and completed work, with documentation provided to the Director’s Office.
• Coordinate and oversee maintenance contracts and outside vendors, including obtaining quotes and coordinating services or materials as needed.
• Coordinate building projects and services such as painting, equipment moves, repairs, and other facility-related work.
• Work closely with vendors, contractors, building management, and tenants to address service requests and ensure timely resolution of building-related issues.
• Respond to tenant requests and building operational needs while maintaining a high standard of customer service and professionalism.
• Ensure building systems and equipment are maintained in accordance with applicable safety requirements, manufacturer recommendations, and established facility procedures.

Qualifications

• Minimum of five years of experience as a Commercial Building Engineer is required; experience should be in a Building Engineer role rather than primarily as a Maintenance Technician.
• 5 years minimum of experience with programmable logic controllers
• 5 years minimum of experience with mechanical systems
• Must have Pneumatic HVAC systems experience (applicants who do not have this experience will not be considered)

ISN Corporation is proud to be an Equal Opportunity Employer.

We celebrate and are committed to creating an inclusive workplace where all qualified applicants receive consideration for employment without regard to , , , , , , , , , , protected veteran status, genetic information, or any other status protected by applicable law.

ISN Corporation maintains a Drug-Free Workplace. All candidates must successfully complete a pre-employment background investigation prior to starting employment.