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The Project Manager, G&A Initiatives is an internal Celldex Therapeutics hire responsible for leading implementation and improvement projects across the company's General & Administrative functions — Finance & Accounting, Human Resources, Legal & Compliance, and IT & Facilities. This role does not own the day-to-day operation of those functions; instead, it drives the projects that implement, upgrade, and optimize the systems and processes those functions rely on — from ERP and HRIS rollouts to contract management platforms to office moves and infrastructure upgrades. The ideal candidate is a versatile project manager who can flex across functional domains, build trust quickly with non-technical stakeholders, and bring consistent PM rigor — scope, schedule, budget, risk, and change management — to every G&A initiative on their plate

• Plan and manage Finance & Accounting system and process projects — ERP implementations or upgrades, close-process automation, AP/AR system rollouts, and reporting/BI initiatives — from initiation through go-live.
• Build and maintain project plans, budgets, and resource schedules for finance-related initiatives in partnership with Accounting and FP&A stakeholders.
• Coordinate testing, data migration, and cutover activities for finance system projects, including UAT sign-off with process owners.
• Track project-level risks and controls considerations, escalating issues affecting the financial reporting or GxP-regulated control environment.

• Lead HR systems and program implementation projects — HRIS or payroll platform migrations, benefits system transitions, and performance/talent management rollouts.
• Manage project scope, timeline, and budget for HR initiatives, coordinating between HR stakeholders, IT, and outside vendors (implementation partners, brokers, PEOs).
• Drive change management and communication planning for HR project rollouts, including training coordination and adoption tracking.
• Maintain project documentation — charters, RAID logs, status reports — for all active HR initiatives.

• Manage projects supporting Legal & Compliance functions — contract lifecycle management (CLM) system implementations, GRC/policy management platform rollouts, and compliance program initiatives.
• Coordinate cross-functional input from Legal, Compliance, and outside counsel on project requirements, timelines, and approval workflows.
• Track deliverables and milestones for risk and insurance program transitions, audit readiness projects, and corporate governance initiatives.
• Maintain project-level documentation repositories, ensuring version control and audit trail for compliance-related project artifacts.

• Lead IT and Facilities projects — infrastructure upgrades, business application rollouts (ERP, HRIS, CRM, collaboration tools), office moves/build-outs, and procurement system implementations.
• Develop project schedules and budgets for IT/Facilities initiatives, coordinating internal IT staff, facilities vendors, contractors, and managed service providers.
• Manage testing, cutover, and go-live logistics for system and infrastructure projects, minimizing disruption to end users.
• Support business continuity and disaster recovery planning projects for corporate systems and facilities.

• Serve as the central point of coordination across concurrent G&A projects at Celldex, ensuring consistent PM methodology, status reporting, and stakeholder communication across Finance, HR, Legal, and IT/Facilities workstreams.
• Build and maintain master project plans, RAID logs, and dashboards; report project health, risks, and dependencies to the CFO and other executive sponsors.
• Facilitate project kickoffs, steering committee updates, and stakeholder working sessions to keep G&A initiatives aligned with Celldex's business priorities.
• Manage vendor and implementation-partner relationships across G&A project engagements, including scope, timeline, and invoice tracking.

• Bachelor's degree in Business Administration, Project Management, or a related field.
• 5+ years of project management experience, with a track record of delivering projects across two or more of the following domains: finance/accounting systems, HR/HRIS, legal/compliance platforms, or IT/facilities.
• Demonstrated ability to build and manage project plans, budgets, RAID logs, and status reporting for concurrent, cross-functional initiatives.
• Experience coordinating implementation vendors, managed service providers, or outside consultants on system or infrastructure projects.
• Working familiarity with core G&A concepts (basic accounting controls, HR compliance, contract lifecycle, IT change management) sufficient to engage credibly with functional stakeholders.
• Experience within a life sciences, biotechnology, or other regulated industry, with familiarity navigating GxP-adjacent project requirements a plus.
• Excellent written and verbal communication skills, with the ability to work effectively with functional leaders, external vendors, and end users at all levels.

• PMP, CAPM, or equivalent project management certification.
• Experience managing ERP, HRIS, or CLM/GRC platform implementations (e.g., NetSuite, Rippling/ADP, Smartsheet, AuditBoard, Workiva).
• Experience with PPM/collaboration tools such as Smartsheet, MS Project, or Asana for multi-workstream project tracking.
• Exposure to change management methodology (e.g., Prosci/ADKAR) for system and process rollouts.
• Cross-functional versatility: comfortable managing finance, HR, legal, and IT/facilities projects in parallel without losing rigor in any one workstream.
• Project discipline: builds and maintains scope, schedule, budget, and risk artifacts that keep stakeholders aligned and initiatives on track.
• Stakeholder management: builds trust quickly with functional leaders and vendors, and manages competing priorities without adversarial dynamics.
• Adaptability: ramps up quickly on unfamiliar functional domains and translates functional requirements into clear project plans.
• Communication: delivers clear, concise status updates and escalations to sponsors, steering committees, and the CFO.

This role operates in a hybrid office environment at Celldex's Hampton, NJ headquarters, with occasional travel to satellite offices to support system cutovers, facilities projects, or stakeholder workshops. Workload peaks during planning, testing/UAT, and go-live phases of active initiatives.

Slipstream is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation or identity, national origin, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws. Slipstream makes hiring decisions based solely on qualifications, merit, and business needs at the time.

This job description may not be inclusive of all assigned duties, responsibilities, or aspects of the job described, and may be amended at any time at the sole discretion of the Employer.