Full-Time
Principal Engineer
W/WW
Updated on 8/18/2026
Apex Companies
1,001-5,000 employees
National environmental consulting and engineering firm
No salary listed
Pittsburgh, PA, USA
In Person
Bachelor's
 Software Engineering (1) |
|---|
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- A BS degree in Civil, Environmental, or Chemical Engineering.
- PE license registration in Pennsylvania.
- 15+ years of experience in engineering design focused on water and/or wastewater systems.
- Proven experience managing engineering projects and project managers and developing client relationships.
- Demonstrated ability to lead and oversee projects involving wastewater treatment systems, pump stations, water systems, sewer collection systems, funding, permitting, and planning reports.
- A desire to play a key role in growing the Pittsburgh metro office and contributing to the firm's long-term success.
- Assist in establishing, managing, and growing a new branch office with division and regional support.
- Help recruit, build, and manage a team of technical staff to support office operations and project execution.
- Assist with developing and implementing strategies for recruiting new clients, leveraging existing relationships, and expanding business opportunities supporting small to large design projects from inception to completion.
- Lead project management efforts for water and wastewater engineering projects, including sewer comprehensive plans, engineering reports, and designs for water and wastewater treatment, collection, distribution, water modeling, and pump stations.
- Support the work of others and mentor junior-level engineers and design/drafting technical staff.
- Prepare detailed engineering reports, construction drawings, specifications, and cost estimates.
- Serve as a primary point of contact for clients, contractors, and stakeholders, ensuring effective communication and problem-solving.
- Participate in internal and external technical organizations.
- PE licenses in additional states.
Apex Companies provides environmental consulting and engineering services to public agencies and private clients across all 50 states. Its offerings include water resources management, environmental remediation, health and safety, compliance assurance, ESG advisory, and infrastructure engineering, delivering work from site assessments to managing complex projects. A key differentiator is the breadth of services across environmental, health and safety, and ESG, plus its ARTEMIS data-management platform that organizes environmental information for risk mitigation and lending. The company aims to help clients manage environmental risk, achieve regulatory compliance, and efficiently complete projects while expanding its national footprint.
Company Size
1,001-5,000
Company Stage
N/A
Total Funding
N/A
Headquarters
Rockville, Maryland
Founded
1988
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Simplify's Take
What believers are saying
- Apex earned Zweig’s 2026 Hot Firm No. 28 ranking, signaling strong growth momentum.
- Tully and CWE expanded Apex’s stormwater, civil engineering, and California footprint in 2026.
- March 2026 and February 2026 acquisitions broadened Apex’s municipal and private-market project pipeline.
What critics are saying
- Private equity ownership pressures Apex to chase integrations and leverage before 2027.
- Apex’s acquisition spree risks cultural friction and margin dilution across California, Florida, and Intermountain West.
- A single failed integration or buyer slowdown could break Apex’s roll-up story and stall growth.
What makes Apex Companies unique
- Apex combines water, environmental, and infrastructure services under one national platform.
- Morgan Stanley Capital Partners backs Apex, enabling acquisitions like Tully and CWE in 2026.
- Apex’s ARTEMIS data tools and stormwater lifecycle expertise deepen client lock-in.
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Benefits
Health Insurance
Dental Insurance
Vision Insurance
Life Insurance
Disability Insurance
401(k) Company Match
Paid Vacation
Paid Sick Leave
Relocation Assistance
Growth & Insights and Company News
6 month growth
↑ 17%1 year growth
↑ 17%2 year growth
↑ 17%Apex Companies announced the acquisition of CWE, an award-winning civil infrastructure, water resources, and environmental engineering services firm with multiple offices in California.
Adds to Core Stormwater Strength and Enhances Ability to Deliver the Full Stormwater Lifecycle in Northern California
Raincatcher, a national mergers and acquisitions advisory firm serving small to mid-size businesses, served as the exclusive sell-side advisor to AquaWorks DBO,
Bolsters Engineering Depth and Extends Operational Presence in Intermountain West
Apex Companies, LLC has acquired Weiler Engineering Corporation, a Florida-based engineering firm. This acquisition enhances Apex's engineering capabilities and strengthens its presence in Florida. Weiler Engineering, with over 45 professionals, brings expertise in civil, structural, and utilities engineering. This move follows Apex's recent acquisitions of Johnson Engineering and Water Science Associates, further expanding its services in the municipal and private markets.