Jobs in the United States

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Added 1 min ago
Healthcare Data Solutions Architect
Ursa Health
Remote, United States
…will be asked to submit a 2-minute intro video and complete a technical puzzle, which shouldn't take more than a couple hours. The puzzle is drawn straight from our work and will give you…
Added 2 mins ago
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Principal Optical Engineer
Oracle
Seattle, WA · Santa Clara, CA · Redwood City, CA · Austin, TX · Nashville, TN · Reston, VA
- $114,600 to $234,600 USD / year
The Principal Optical Engineer will be joining the Optical Network Engineering team which is responsible for building and scaling Oracle's Optical Transport Network. The team is focused on…
Added 2 mins ago
RI
Staff Reactor Systems Engineer
Radiant Industries
El Segundo, CA
- $150,025 to $211,838 USD / year
We are seeking a Staff Reactor Systems Engineer to own the technical integration of a first-of-a-kind reactor. With no operating predecessor to copy and no mature supply chain, you will be…
Added 3 mins ago
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Senior Technical Program Manager - AV Engineering
Wayve
Sunnyvale, CA
- $171,600 to $229,300 USD / year
Wayve’s Program Management team turns complex technical goals into coordinated delivery. Working closely with engineering, research, product, safety, evaluation and release teams, we align…
Added 6 mins ago
Process Engineer 4
Lam Research
Fremont
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 6 mins ago
Process Engineer 5
Lam Research
Tualatin
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 6 mins ago
Process Engineer 3
Lam Research
Tualatin
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 6 mins ago
Plasma Engineer 3
Lam Research
Tualatin
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 6 mins ago
Process Engineer 4
Lam Research
Tualatin
‘Virtual Flex’ you’ll work 1-2 days per week on-site at a Lam or customer/supplier location, and remotely the rest of the time
Added 6 mins ago
Design Engineer - New Product Development
Bettcher Industries
Birmingham, OH
Apply self-discipline, drive, and focus to efficiently and effectively execute all tasks related to new product development throughout the process including tasks such as drawing, test…
Added 6 mins ago
Lead Electrical Engineer, Hardware Reliability (Starshield)
SpaceX
Hawthorne, CA
Provide technical mentorship and guidance to team members leading root cause investigations of electrical hardware
Added 7 mins ago
UG
Senior AI/ML Engineer
UnitedHealth Group
Eden Prairie, MN
- $120,100 to $214,500 USD / year
…inclusion, talented peers, comprehensive benefits, and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global…
Added 7 mins ago
HC
Watershed Coordinator
Harris County
Houston, TX
- $66.81 to $100.21 USD / hour
Review and comment on development reports, plans, designs, and technical submittals such as geotechnical reports and drainage analyses.
Added 8 mins ago
CO
Engineer, Principal - Development Services Utility Reviews
City of Richmond
Richmond, VA
- $44.25 to $73.91 USD / hour
…leadership. Provides guidance and support related to complex technical projects and studies,and recommends implementation methods and solutions. Provides customer service and communication…
Added 8 mins ago
Sentinel - Thread Support Senior Principal Systems Engineer - 20340
Northrop Grumman
Roy
Northrop Grumman Defense Systems is seeking a Thread Support Sr. Principal Systems Engineer to join the Sentinel Systems Engineering team in Roy, Utah. The Sentinel Systems Engineering team…
Added 8 mins ago
Staff Software Engineer - DevOps
Northrop Grumman
San Diego · Melbourne · El Segundo
Must have experience with developing software using agile processes (Kanban, Scrum, Scrumban) · Must have experience with one of the following change management tracking system tools: Jira, ClearQuest, Asana
Added 8 mins ago
Cyber Systems Engineer 2/3
Northrop Grumman
San Diego
Aeronautics Systems is seeking a Cyber Systems Engineer or Principal Cyber Systems Engineer to support the AISR&T Triton program in Rancho Bernardo, CA. The selected candidate will apply…
Added 8 mins ago
Systems Engineer / Principal Systems Engineer
Northrop Grumman
Melbourne
Advanced degrees in Science, Technology, Engineer, or Mathematics or other related technical fields.
Added 8 mins ago
Senior Principal CORE Systems Engineer
Northrop Grumman
Melbourne
Advanced degrees in Science, Technology, Engineer, or Mathematics or other related technical fields.
Added 9 mins ago
MT
Product Quality Engineer
Micron Technology
Longmont
- $81,000 to $138,000 USD / year
As an SSD Qualification Engineer, you will lead the evaluation and qualification of SSD products through comprehensive testing and analysis. This role involves developing qualification…
Added 10 mins ago
Digital Factory Software Systems Engineer
Dexcom
San Diego
You must live within commuting distance of your assigned Dexcom site (typically 75 miles/120km)
Added 12 mins ago
Sr. Manufacturing Engineer
Panasonic North America
De Soto, KS
The Senior Manufacturing Engineer is a highly experienced individual contributor recognized as a technical authority within the manufacturing organization. Operating autonomously in a…
Added 12 mins ago
K
Senior Mechanical Engineer - Industrial Facilities
Kiewit
Lenexa, KS · Olathe, KS · Kansas City, KS · Overland Park, KS · Lawrence, KS
- $125,000 to $170,000 USD / year
…- who thrive in fast‑paced, design‑build environments where technical depth, field awareness, and problem‑solving directly shape project outcomes. You’ll work on everything from utility…
Added 12 mins ago
Travel & Expense Specialist Job Details | Black & Veatch Family of Companies
Black & Veatch
Overland Park, KS
With flexible ways of working and meaningful development opportunities, you’ll build a career you can be proud to stand behind.
Added 12 mins ago
JA
Systems Engineer, ESDS
Joby Aviation
San Carlos, CA
- $86,900 to $119,400 USD / year
Supporting design teams in trade studies, subsystem interface definition, requirements flow-down, development analyses, modeling and simulation activities, and assessment of results

Salas O'Brien

Mechanical Engineer/Designer

Roanoke, VA, United States

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Job details

Experience: You have 2 to 5 years of experience in HVAC design and construction
Posting language: English
Posted: Nov 13, 2026

Original job description

Mechanical Engineer

At Salas O’Brien we tell our clients that we’re engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That’s why we’re committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.

Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career - and they’ll receive great total rewards along the way.

About Us:

Founded in 1975, Salas O’Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow’s requirements are today’s opportunities, and we are here to design lasting solutions for pressing challenges.

We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.

Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.

Job Summary:

The Mechanical Engineer/Designer serves to design HVAC systems for buildings such as K-12 schools, retail/mixed-use spaces, industrial, healthcare and commercial spaces

In this role, you will:

Design Heating, Ventilating & Air Conditioning Systems for various types of facilities
Produce mechanical design drawings in Revit software
Perform field investigations
Coordinate quality control, scheduling, and programming
Coordinate and communicate information and progress with all three disciplines (mechanical, electrical and plumbing)

You will be a great fit if:

You have demonstrated facilitation experience
You have 2 to 5 years of experience in HVAC design and construction
You have a solid understanding of duct design, piping design, air handlers, chiller, and boiler systems
You have experience with performing load calculations, equipment selection and design, hydronic and air side system design
You have knowledge of IBC, IMC and IPC codes, DDC controls, HAP

Skills/abilities:

Must have strong verbal and written communications skills in design and specifications

Location: Roanoke, VA

Travel: Less than 10%

Equal Opportunity Employment Statement

Salas O’Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O’Brien will accommodate the disability-related needs of applicants as required by law.

Third-Party Agency Notice Salas O’Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.

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Jobs in the United States