Assignment Manager Jobs in Gary, IN (NOW HIRING)

IMC is seeking a Global Mobility Lead to join our Global Total Rewards Team to build and lead our global mobility program. Reporting to the Head of Total Rewards, this role will own the full spectrum of global mobility - from policy design and governance to tax compliance, immigration, and assignee experience - and will serve as IMC's primary subject matter expert on all matters related to cross-border employment.
As a strategic partner, you will work across HR, Finance, Legal, and senior business leadership to ensure that our mobility program is structured, competitive, compliant, and cost-effective. This is an individual contributor role, with strong dotted line relationships within HR. You will manage external consultants and vendors, and will be responsible for establishing the infrastructure, governance, and reporting capabilities that a program of this scale requires.
Key Responsibilities
Program Strategy & Policy

• Design, own, and continuously evolve the global assignment policy framework, covering long-term, short-term, and other international mobility arrangements
• Partner with senior HR stakeholders and business leadership on mobility decisions, providing mobility expertise early in the planning process

Tax, Payroll & Compensation

• Manage relationships with external tax advisors and mobility vendors (Big 4, specialist firms); oversee tax equalization, hypothetical tax processing, and year-end tax filings
• Coordinate shadow payroll, dual payroll, and split payroll structures across jurisdictions in partnership with local payroll teams
• Establish and maintain assignment compensation components, including cost-of-living, housing, hardship, and other mobility allowances, in partnership with Total Rewards, ensuring market competitiveness and alignment with current benchmark data

Immigration & Compliance

• Partner with local immigration teams within HR to coordinate visa, work permit, and compliance for all internationally mobile employees; manage external immigration counsel
• Monitor legislative and regulatory changes across key host countries (Americas, APAC, EU); assess and communicate business impact
• Ensure certificates of coverage, social security agreements, and statutory benefit eligibility are managed accurately for all assignees

Assignee Experience

• Serve as the senior escalation point for assignees across the full assignment lifecycle - pre-departure, on-assignment, and repatriation
• Manage relocation service providers (DSP, household goods, temporary housing) and hold them to defined SLAs and service standards

Finance & Cost Management

• Own the end-to-end financial management of the global mobility program, including assignment cost projections, total cost-of-mobility budgeting, forecasting, and intercompany recharge processes in partnership with Finance
• Provide robust cost estimates for proposed assignments, advising stakeholders on cost implications, policy application, and optimization opportunities while balancing business needs and employee experience
• Monitor and report mobility spend, program performance, key metrics, and risk indicators, delivering actionable insights to HR, Finance, and business leadership to support decision-making and governance

Stakeholder & Vendor Management

• Partner with HR Business Partners; develop training and guidance materials to enable HRBPs to manage routine mobility queries independently
• Manage RFP, selection, SLA governance, and annual performance reviews for all mobility vendors (tax, immigration, relocation, data providers)
• Collaborate with Talent Acquisition on mobility considerations for international new hires; partner with Talent Management on assignment-to-career pathway design

Skills & Experience

• Bachelor's degree with 10+ years of progressive experience in global mobility or mobility tax with demonstrated experience in a program leadership role
• Demonstrated experience owning policy design, governance frameworks, and vendor management in a global mobility context
• Deep, hands-on knowledge of expatriate tax, shadow payroll mechanics, and international immigration across multiple jurisdictions
• Strong financial acumen; experience owning a mobility budget, building cost models, and reporting to senior Finance and HR stakeholders
• Proven ability to manage and influence cross-functional stakeholders - HR, Finance, Legal, and senior business leadership - in a global environment
• Experience with Americas, APAC, and EU mobility programs simultaneously; comfort navigating multi-jurisdictional complexity
• Strong communication skills; ability to translate technical mobility and tax concepts into clear guidance for non-specialist audiences
• Experience with assignment management platforms and HRIS integration (Workday preferred)

Please note that immigration sponsorship is not offered for this specific opening.
The Base Salary range for the role is included below. Base salary is only one component of total compensation; all full-time, permanent positions are eligible for a discretionary bonus and benefits, including paid leave and insurance. Please visit Benefits - US | IMC Trading for more comprehensive information.
Salary Range
$175,000-$225,000 USD
About Us
IMC is a research-driven trading firm where quantitative modeling, machine learning, and engineering shape how modern markets are traded. A stabilizing force in markets since 1989, we provide liquidity across trading venues, delivering the best outcome in value and risk management to investors. Using our own technology and capital, we build proprietary systems and algorithms that operate across global markets. Our researchers, traders, and engineers work as a collective, combining rapid experimentation, advanced infrastructure, and real-time feedback to turn insight into execution and execution into advantage.