Sr Principal Engineer
$150k - $200kApex Companies, LLC.
Are you driven to grow, lead, and make a meaningful impact? At Apex, we’re building more than a consulting and engineering firm—we’re creating a place where your career accelerates, your contributions matter, and your potential is fully realized. We believe your growth is our growth, which is why we invest in your development at every stage of your career. Here, you’ll work on projects that shape communities, protect the environment, and create lasting impact, all while being empowered with the autonomy and flexibility to do your best work. Fueled by high-quality delivery, exceptional client retention, and strategic acquisitions, Apex Companies continues to rank among the fastest-growing firms in the AEC industry, recently recognized by the Zweig Group for our industry-leading growth. Our success is grounded in strong leadership, a collaborative culture, and a shared commitment to delivering exceptional outcomes. As we continue to expand, we're looking for high-performing professionals who are ready to lead, collaborate, innovate, and create impact. At Apex, you help shape what's next. When we succeed together, we share in that success. All Apex positions are eligible for annual bonus opportunities, reinforcing our commitment to recognizing and rewarding meaningful contributions that drive our collective growth. This role offers eligibility for equity awards, aligning employee contributions with the Company's continued growth and performance. Additionally, this role is eligible for a $20,000 sign-on bonus, subject to the terms and conditions of the Company's sign-on bonus program. Apex is hiring a Sr Principal Engineer to be based in Eastern Washington. This role does require travel to Apex offices located in Richland and Walla Walla, WA. This position will play a critical role in growing our Apex local presence and delivering multidiscipline projects throughout the state of Washington with our well-established engineering teams. This position will have a focused emphasis with state and local agencies in Eastern Washington with anticipated collaboration with our other local regional offices in Issaquah, Vancouver, Wenatchee, Walla Walla, Richland, and Boise. This individual will collaborate with our staff to lead business development strategies and support successful delivery of multidisciplinary engineering teams across our existing Washington State offices. Our Apex offices have a significant historical presence within the communities we serve, averaging more than 20 years of local relationships with our agency and private development clients. You will be partnering with our local staff to leverage both your current and our Apex existing clients’ histories to support both marketing and project delivery goals while providing you well established turnkey relationships in support of your efforts. Typical projects include major roadway corridors, signalized intersections, roundabouts, bridges, multimodal facilities, ADA improvements, complete streets, and other multidisciplinary infrastructure improvements. These complex projects often involve state and federal funding to deliver roadway design, stormwater system design, utility coordination and design, traffic analysis and design, structure design, and construction management. In addition to leading the infrastructure practice, this individual will also serve as a senior level engineering and project management resource to support Apex staff growth initiatives through implementation of industry best practices in partnership with Apex Regional Commercial Leadership (RCL) marketing team and the company wide Project Management Office (PMO) team. You will play a key role in managing client relationships, actively participating in the seller-doer model by developing new business opportunities, expanding existing client relationships, and mentoring the next generation of project managers and engineers to successfully deliver projects. Primary Job Responsibilities Serve as the project manager with a delivery portfolio of multidisciplinary infrastructure projects with cumulative annual project totals exceeding $3 million, ensuring technical excellence, quality, and successful project delivery within schedule and budget. Contribute to the successful pursuit and capture of more than $2 million in annual business development across Washington and Oregon, including support to client engagements, proposal preparation, interviews, and marketing effort alignment to strategic growth initiatives. Lead business development efforts for infrastructure projects with Eastern Washington, southwest Washington, and with other agencies throughout northwest for which you have relationships. Develop and maintain strong client relationships while identifying new project opportunities and expanding existing accounts. Serve as Project Manager and/or Principal-in-Charge for complex infrastructure engineering projects from planning through construction. Oversee project scope, schedule, budget, quality, and client satisfaction to ensure successful project execution within approved scopes and budgets. Provide technical leadership for roadway, highway, intersection, bridge, multimodal, and corridor improvement projects. Coordinate multidisciplinary teams, including roadway, drainage, utilities, structures, traffic, and environmental disciplines. Effectively manage multiple assignments and priorities while collaborating with the Principal-in-Charge and other senior leadership. Prepare and review technical reports, engineering studies, design documents, and project deliverables. Mentor, coach, and develop junior engineers and project managers, fostering technical growth and leadership within the team. Represent the firm at client meetings, industry events, and professional organizations to strengthen market presence and support continued growth. Promote a collaborative, client-focused culture while ensuring projects are delivered safely, on schedule, and within budget. Required Qualifications Bachelor's degree in Civil Engineering. 15+ years of progressive experience managing infrastructure projects for WSDOT and/or local agencies in Washington along with similar experience in Oregon. Professional Engineer (PE) license in both Washington and Oregon, or the ability to obtain both within six months of hire. Demonstrated experience leading multidisciplinary infrastructure design projects from pursuit through construction while keeping projects within scoped schedules and budgets. Strong knowledge of WSDOT Design Manual, AASHTO, MUTCD, and Washington State and local agency standards. Experience with project management, budgeting, scheduling, and client management. Proficiency with Microsoft Office and AutoCAD Civil 3D. Excellent verbal, written, and presentation skills. Proven business development and client relationship experience. Preferred Qualifications Experience with MicroStation/OpenRoads Designer and 3D roadway modeling. Existing relationships with Cities of College Place, Kennewick, Pasco, Richland, Walla Walla, and West Richland, Wenatchee, Spokane, and other regional transportation agencies across the northwest. Experience managing alternative delivery projects and multidisciplinary consultant teams. Apex Historic & Current Project Delivery List Broadmoor Development Infrastructure Improvement Project (City of Pasco) Regulatory Sign and Guardrail Safety Improvements Project (Skamania County) US12 & Clinton Interchange (Walla Walla) Court Street and Road68(Pasco) DuportailCorridorImprovements(Richland) Pasco Aquatics Benton County Recover Center Goodwill - Pasco Lewis and Clark Ranch Master Plan/EIS SR-224 (Van Giesen Improvements) Heights at Red Mountain Ranch Subdivision (West Richland) Solstice Subdivision (Pasco) Siena Hills Subdivision (Richland) Apple Valley Subdivision (Kennewick) MC Gateway – large mixed use master plan Project Wigeon – Sustainable Aviation Fuel project Morrow County SD Bond Program Civil Engineer Walla Walla Public Schools Bond Program Civil Engineer Why You'll Love Working For Us Company-subsidized medical and dental. Company-paid life, short, and long-term disability. 401k match, tuition assistance, and more. Cross-training and the ability to work on a variety of projects. Performance-based bonuses or other incentives. Working with the best and brightest in the industry. 2,000+ employee national firm with 70+ locations across the US. Apex Job Title: Engineer 7 - Sr Principal Engineer Req ID: 12239 Annual Expected Pay Range: $150,000 USD - $200,000 USD We believe in equality for all and celebrate the diversity and differences of our employees, customers, and communities. We do not discriminate based on gender, race or color, ethnicity or national origin, age, disability, religion, sexual orientation, gender identity or expression, veteran status, or any other applicable characteristics protected by law. Apex aims to make apexcos.com accessible to all users. If you have a disability or special need that requires accommodation to navigate our website or complete the application process, please contact View email address on click.appcast.io or View phone number on click.appcast.io. Likewise, feel free to reach out to us if you would like to view or discuss Apex policy related to equal employment opportunity or have any related concerns. EO/AA/VEV/Disabled Employer #J-18808-Ljbffr Apex Companies, LLC.
$150k - $200k
...meaningful impact? At Apex, we’re building more than a consulting and engineering firm—we’re creating a place where your career accelerates,... ...of the Company's sign-on bonus program. Apex is hiring a Sr Principal Engineer to be based in Eastern Washington. This role does...SeniorTemporary workWork at officeLocal areaRelocation package$150k - $200k
...meaningful impact? At Apex, we're building more than a consulting and engineering firm—we're creating a place where your career accelerates,... ...of the Company's sign-on bonus program. Apex is hiring a Sr Principal Engineer to be based in Eastern Washington. This role does...SeniorTemporary workWork at officeLocal areaRelocation package- ...maker of RF ICs and MMICs leveraging GaAs and GaN technologies for Defense and Wireless markets. They are looking for a Principal MMIC Design Engineer who will report to a group in Milpitas, CA, but can be based remotely anywhere in the USA. They are looking for a...SuggestedWork at officeRemote work
- ...Job Description We are seeking an experienced Principal Quality Engineer to lead quality engineering initiatives that ensure compliance, product quality, and continuous improvement across manufacturing and product development processes. The ideal candidate will provide...Suggested
$150k - $205k
...applications in WA, OR, and IDWhat We’re Looking ForBasic Qualifications:Bachelor’s or Master’s degree in hydrogeology, geology, engineering, or a related field 15+ years of relevant experience in water supply, hydrogeology, water rights, and project management in WA, OR...SuggestedWork at officeLocal areaFlexible hours- ...Professional Electrical Engineer - Senior | Project Manager Location: Spokane, WA At J-U-B ENGINEERS, Inc., our purpose is simple but powerful: Helping Each Other Create Better Communities. With over 20 offices across seven states, J-U-B is committed to creating...SeniorFor contractorsWork at office
$130.28k - $208.4k
...Job Description Apply now Job Title: Principal Process Engineer Req Id: 1296 Posting Start Date: 4/30/26 Job Description: Join a Leader in Pharmaceutical Manufacturing - And Build What's Next As Spokane's Largest...Full timeTemporary workWork at officeImmediate startWorldwideFlexible hoursShift workDay shift$80k - $135k
...Senior Civil Engineer / Project Manager We are seeking a full-time Senior Civil Engineer/Project Manager to join our Spokane, WA office. This is an excellent opportunity to be part of a dynamic, energetic, and rewarding work environment. Established in 1965, we serve...SeniorFull timeTemporary workWork at officeFlexible hours$130.28k - $208.4k
...regulatory fit. Author and oversee validation protocols. Lead investigations, deviations, and change controls. Mentor process engineering staff. Lead Technical Services representation in client‑facing meetings, including technical discussions and decision support....Full timeTemporary workWork at officeImmediate startWorldwideFlexible hoursShift workDay shift$135k - $182.7k
...with support staff (HR, Finance, Facilities, Safety, IT and other Sr. Operations Managers) to build and secure support and resources... ...assignments in multiple FCs across the nation Degree in Engineering, Operations or related field and MBA preferred Experience with...SeniorAll shiftsFlexible hoursNight shift- ...only role with no call, flexible daily shift lengths, and a required full‑summer commitment. \n CONTACT DIRECTLY— Heather Kylen, Sr. Recruiting Consultant – Aya Locums (***) ***-**** ****@*****.*** \n Spokane, WA – CRNA – Scheduled, No Call \n...SeniorLocumSummer workFlexible hoursShift work
- ...Civil Engineering Project Manager - Spokane Ready to take your engineering career to the next level? DCI Engineers is seeking a Civil Engineering Project Manager in our Spokane, WA office. You'll apply your civil engineering degree and hands-on experience to lead complex...Temporary workFor contractorsWork at office
$180k - $200k
...automation, and optimized workflow, coupled with highly responsive parts and service support. Our United States and Europe based engineering, manufacturing, sales and service operations provide a global support system covering the full product portfolio of Alliance, Serco...SeniorFull time- ...Our client is actively seeking a Sr. IT Project Manager to support a API Management and AI Gateway initiative based out of their... ...Technical / contextual knowledge - Enterprise Architecture/Platform Engineering/DevOps Decision Making & Problem Solving Ability to Influence /...SeniorRemote work
- Life Care Centers is seeking a compassionate LPN Licensed Practical Nurse to join our Healthcare & Medical Services team. In this role, you’ll provide direct, patient-first nursing care to seniors in a rehabilitation and long-term care setting. Responsibilities include ...Senior
- About the Role Do you thrive on closing deals that keep paying off long after the signature? We’re looking for a Senior Account Executive to drive revenue and portfolio growth across our ECommerce, Merchant Processing and Strategic Partnerships verticals. You’ll...Senior
- ...to our federal clients.In the role of Federal Project Manager / Sr PM, we'll count on you to:Lead, direct, and oversee all phases... ...budget, risk management, and profitability.Maintain professional engineering licensure and stay informed of industry best practices and...SeniorContract work
$70k - $100k
The company Our client is an established, PE-backed leader in Environmental, Health & Safety (EHS) and workforce-compliance software, with roughly 700 employees. Their platform combines EHS management tools (incidents, inspections, chemical management and more) with...SeniorBase plus commissionRemote work$95.2k - $200k
Fiduciary And Investment Management Account Manager At Bank of America, we are guided by a common purpose to help make financial lives better through the power of every connection. Responsible Growth is how we run our company and how we deliver for our clients, teammates...SeniorShift workDay shift$100.38k - $131.5k
Closes: November 4, 2026Job DescriptionAvista is seeking a collaborative HR Manager (HR Business Partner) or Sr. HR Manager (Sr. HR Business Partner) to join our Human Resources team. The HR Manager or Sr. HR Manager will provide guidance to all levels of the organization...SeniorFull time3 days per week$1,000 per month
...maintain real-time dashboards; provide actionable reporting on turnover, headcount, and other key organizational metrics.Process Engineering: Develop Standard Operating Procedures (SOPs) and document workflows to scale HR operations effectively.Benefits & Wellness Administration...SeniorFull timeLocal areaRemote work$181k - $218k
...collaborative solutions for our partners’ energy infrastructure needs. We use in-house talent, expertise and resources to plan, design, engineer, manage, conduct maintenance on and construct projects. Our turnkey service capabilities provide our customers with efficiency,...For contractorsWork at officeLocal areaWorldwide- ...perspectives to the table, so we can truly know and help our clients, communities, and each other.CLA is currently seeking a Tax Principal or Signing Director to support our clients in our growing Eastern/Central Washington locations. The P/SD contributes at the highest...Full time
$114.21k - $150.18k
...analyses, and forecasts.RequirementsBachelor’s degree from a regionally or nationally accredited college or university in economics, engineering, finance, math, business or related field required. Master's or doctorate degree in Economics, Engineering, Finance, Math,...SeniorFull timeWork at office3 days per week$230k
...CDMO company needs an Associate Director of Automation Controls Engineering at their expanding plant in WA state. Excellent total comp.... ...Historian etc. Note 3: This person will report to the Sr. Director of Engineering & Maintenance Summary:...Contract workTemporary workFor contractorsLocal areaRelocationRelocation packageNight shift$18.63 - $26.02 per hour
...Sr CourierPAML a Labcorp Company is seeking a Sr Courier to join our team in Spokane, WA.Work Schedule: Hours vary Monday - Friday 12:00 pm to 12:00 am overtime and additional days and hours may be required.Job Responsibilities:Load all necessary supplies needed for the...SeniorTemporary workCasual workInternshipSecond jobMonday to FridayFlexible hoursShift workNight shift- Senior Technical Account Manager FLSA Status: Full Time, Exempt Location: 100% Remote with 15–20% travel About Pulselight Pulselight is transforming how state and federal health and human services agencies use data to improve program integrity, strengthen...SeniorFull timeContract workRemote work
$80k - $95k
BMO Media is a lifecycle marketing agency focused on driving long-term customer value through Email, SMS, Loyalty & Referrals, Direct Mail, and Push . We partner with ecommerce brands to strategize, execute, and optimize retention programs end to end. Were looking...SeniorLocal areaRemote workFlexible hours$118.17k - $189.09k
...performance to achieve safety, quality, delivery, and cost targets. The Sr Manager, Manufacturing Operations acts as the primary... ..., integrating cross-functional partnerships with Manufacturing Engineering, Operation Excellence, Value Stream Management, Quality, Finance...SeniorWork at officeRemote workVisa sponsorship- LendingWise — Senior Account Executive Oct 17, 2026 · @Chris Fuelling Remote (US) · Full-time W-2 · Eastern or Central time zone preferred About LendingWise LendingWise is the CRM and loan origination system (LOS) built for private lending. Lenders and brokers run their...SeniorFull timeContract workRemote work
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr Principal Engineer. Be the first to apply!
- data center chief engineer Spokane, WA
- principal engineer Spokane, WA
- senior civil engineer project manager Spokane, WA
- general engineer Spokane, WA
- engineering director Spokane, WA
- chief engineer Spokane, WA
- hotel chief engineer Spokane, WA
- principal developer Spokane, WA
- senior devops engineer remote Spokane, WA
- senior implementation engineer Spokane, WA





