Jobs at Onterris

The HR Generalist manages hiring, onboarding, offboarding, employee records, HR compliance, I-9 verification, reporting, audits, performance management support, employee engagement, training, and HR process improvements. The role oversees an HR Administrative Assistant, partners with HR and Talent Acquisition teams, maintains legal and policy compliance, and supports employees across multiple states and countries.

Develop water treatment solutions and technical proposals aligned with customer needs and sales strategy. Responsibilities include process design, equipment and controls selection, cost estimation, technical drawings, research, proposal writing, customer communication, and technical handoff to project delivery teams. The role collaborates with business development, suppliers, and subject matter experts and requires domestic travel as needed.

Serves as the technical bridge between laboratory operations and enterprise systems, primarily supporting CT LIMS across Orange and Anaheim laboratories. Gathers and documents requirements, evaluates standard versus custom solutions, coordinates testing and implementation, develops validated Excel tools and workflows, supports reporting and automation, maintains documentation and change control, trains users, and monitors solution effectiveness. The role is fully onsite and requires strong laboratory operations knowledge, CT LIMS proficiency, data integrity awareness, and advanced Excel skills.

Coordinates competitive proposals, RFPs, RFQs, municipal bids, and qualifications while supporting capture planning, business development, pipeline tracking, and process improvement. Manages schedules, compliance matrices, content libraries, reviews, submissions, bid portals, CRM records, dashboards, and debriefs. Partners with technical, sales, operations, legal, pricing, and leadership teams to develop accurate, compliant, client-ready materials and improve pursuit workflows, automation, and standardization.

Provides administrative and legal operations support to the legal team and General Counsel. Maintains contract records, legal files, workflows, and task-management systems; coordinates contract intake and legal requests; supports subcontractor administration, compliance reporting, meetings, travel, expenses, scheduling, and document preparation. Requires strong organization, communication, judgment, technology comfort, and interest in AI-enabled legal workflows.

Manage full-cycle recruiting for part-time and full-time roles, including sourcing passive candidates, building talent pipelines, interviewing, and guiding candidates through offer acceptance. Develop recruiting campaigns, improve university recruiting, adopt new tools, track hiring metrics, and enhance candidate and hiring manager experiences. Partner with hiring managers and HR teams in a fast-paced environment while supporting high-volume hiring needs.

Provides Salesforce administration and end-user support, including onboarding and offboarding, ticket troubleshooting, reporting, data imports, Flow configuration, training, documentation, testing, and system updates. The role maintains data integrity, coordinates with developers, supports acquisitions and integrations, and contributes to continuous improvement. Requires Salesforce CRM experience, Platform Administrator I certification, strong communication and analytical skills, and the ability to work independently and cross-functionally.

Manages site-specific LDAR tagging and inventory projects, including budgets, documentation, compliance tracking, monitoring reports, equipment procurement, logistics, deadlines, quality control, and client communication. The role conducts bid walks, prepares estimates and proposals, coordinates supplies and PPE, reviews monitoring routes, and supports regulatory interactions. This traveling position requires fieldwork outdoors, lifting equipment, climbing, occasional work at heights, weekend or after-hours availability, and at least five years of LDAR project experience.

Directs centralized FP&A, including budgeting, forecasting, reporting, long-range planning, capital expenditure analysis, M&A diligence, financial modeling, KPI development, and executive decision support. Manages Workday Adaptive, partners with accounting, treasury, IT, and business leaders, supports covenant reporting and incentive plans, and leads finance process optimization, system integration, and team development.

Develops technical solutions and proposals for water treatment process systems across North America and Australia. Partners with sales, engineering, operations, procurement, vendors, and project delivery teams to align solutions with commercial goals, maintain equipment cost data, evaluate bid risks, and improve proposal win rates. Supports commercial strategy, market growth, competitor analysis, technical reviews, and smooth handoffs from awarded proposals to project execution.

Leads end-to-end design of water treatment systems for PFAS and emerging contaminants as Engineer in Responsible Charge. Coordinates multidisciplinary engineering teams, oversees equipment selection, hydraulics, layouts, specifications, safety reviews, quality, fabrication, construction, commissioning, and client deliverables. Mentors engineers, supports proposals, manages design risks and schedules, and represents the company with clients and vendors. Requires field travel to fabrication shops, vendor facilities, and project sites.

Leads Onterris’s US East environmental consulting region across approximately 12 offices and 230 employees. Owns regional strategy, growth, P&L, budgeting, resource allocation, sales and profitability goals, acquisitions, operational integration, compliance, and talent development. Partners with executive leadership and corporate functions to improve performance, develop markets, strengthen client relationships, and build a high-performing culture. The role is ideally based in Valley Forge, Tampa, or Orlando and requires travel up to 30%.

Leads environmental compliance programs and projects involving EPCRA, RCRA, hazardous materials and waste management, regulatory assessments, reporting, permits, and client support. Manages project scope, budgets, schedules, quality, subcontractors, and compliance requirements while mentoring environmental professionals. Serves as a strategic client advisor, supports proposals and business development, prepares technical deliverables, and interprets regulations for clients and leadership. The role also requires federal project and solicitation experience, with Department of Defense experience preferred.

Manage environmental consulting projects, including scopes, schedules, budgets, teams, subcontractors, client communications, proposals, cost estimates, regulatory submissions, site assessments, and remediation programs. Prepare technical reports and compliance documentation, coordinate multidisciplinary stakeholders, and mentor junior staff. The role requires environmental consulting experience, project management expertise, regulatory knowledge, professional registration eligibility, and a valid Class 5 driver’s license.

Develops water treatment technology business across North America by prospecting strategic accounts, qualifying leads, managing sales funnels, cultivating client relationships, and closing opportunities. The role creates client-focused technical solutions, maintains Salesforce data, forecasts pipeline activity, prepares sales reports, supports market intelligence, and travels 30–40% for conferences, trade shows, and customer meetings.

Leads stakeholder engagement, social consulting, business development, client relationships, proposals, regulatory and approvals advice, project scoping, and stakeholder facilitation. Advises clients through complex environments and supports social impact assessment and management planning, with travel to engage communities and stakeholders. The role also involves managing client expectations, developing opportunities, and contributing to project delivery.

Leads and facilitates PHA, LOPA, and hierarchy-of-controls activities; conducts regulatory compliance audits; helps clients implement PSM and EPA RMP requirements; represents the firm through conferences and thought leadership; mentors junior staff; manages client relationships and project communications; and follows OSHA and company safety requirements. The role is partially remote with travel to client facilities and project sites, potentially up to 50% of the time.

Serves as a senior functional and technical expert for Workday Financials and Projects, configuring business processes, security, project management, billing, and financial functionality. Designs end-to-end processes across Workday, Coupa, HighRadius, and Salesforce; leads small to mid-sized projects; manages roadmaps and enhancements; troubleshoots issues; supports end users; and coordinates cross-functional teams, change management, documentation, training, and process improvement.

Leads enterprise communications and change strategies supporting transformation, growth, employee engagement, executive effectiveness, culture, and organizational alignment. Advises senior leaders, develops executive messaging and leadership resources, establishes communications governance and measurement frameworks, manages reputation and crisis communications, and advances technology-enabled internal communications. Partners globally across HR, Legal, Operations, Corporate Development, and business lines to improve adoption, trust, engagement, and readiness. The role requires extensive communications leadership experience, strong writing skills, executive presence, and domestic and international travel.

Compiles, analyzes, validates, and reports stack testing field data using spreadsheets and handwritten records. Prepares test protocols and reports, reviews documents for accuracy and grammar, coordinates with project managers and field staff, follows quality systems and accreditation standards, and performs clerical tasks. The role requires proficiency with Excel, Word, and PDF editing software, with environmental testing and technical writing experience beneficial.