Senior IT Portfolio Manager - Infrastructure

Sidley Austin LLP•Chicago, IL

6d•$175,000 - $195,000•Hybrid

About The Position

The Senior IT Portfolio Manager – Infrastructure is a strategic leadership role responsible for shaping and governing the service, benchmarking and planning continuous improvements across a complex, multi-domain infrastructure organization within enterprise IT. This role sits at the intersection of strategy, planning, execution, and operational excellence—ensuring infrastructure services are scalable, cost-effective, and aligned to business priorities. You will partner closely with IT leadership, functional infrastructure teams, and enterprise stakeholders to drive transparency, accountability, and measurable outcomes. This is an opportunity to influence how infrastructure investments are planned, funded, delivered, measured and optimized across the enterprise.

Requirements

Bachelor’s Degree
A minimum of 8 years of experience in IT infrastructure portfolio, service, financial, and resource management roles
Experience owning service strategy, budgeting, KPI development, and executive reporting within an IT infrastructure organization
Experience working in internal IT environments as well as external client delivery within a professional services organization or model
Demonstrated ability to work across complex, matrixed organizations with multiple technical and business stakeholders
Executive reporting and presentation skills
Strong organizational skills
Strong attention to detail
Good judgment
Strong interpersonal communication skills
Strong analytical and problem-solving skills
Able to work harmoniously and effectively with others
Able to preserve confidentiality and exercise discretion
Able to work under pressure
Able to manage multiple projects with competing deadlines and priorities

Nice To Haves

Master’s Degree in Computer Science, Business, or Management Information Systems
Experience with Infrastructure Platform solutions including Microsoft Azure, AWS, or Google Cloud Platform (GCP), and on-premise data centers, among others
Experience with Infrastructure Communications solutions including global networking and connectivity, unified communications and AV collaboration platforms, including including Zoom or Microsoft Teams, among others
Experience with Enterprise Multimedia solutions, including production, virtual events, live broadcasts and photography, among others
Legal, financial services or professional services experience

Responsibilities

Drive the infrastructure service portfolio strategy across Infrastructure Communications, Infrastructure Platforms, and Enterprise Multimedia domains, ensuring alignment with functional teams, enterprise IT and business objectives
Lead portfolio-level project and operational resource management, including demand planning, capacity planning, and prioritization across infrastructure teams
Manage infrastructure budgeting, forecasting, and financial governance, including OpEx and CapEx oversight
Establish and operationalize a cloud-based FinOps capability, partnering with IT, Procurement, and Accounting to drive cost transparency, optimization, and accountability
Define, implement, and maintain KPIs and metrics for infrastructure services, projects, and operations; provide executive-level reporting and insights
Partner with the IT PMO to align on project intake, delivery governance, roadmap planning, and execution tracking
Collaborate with IT Operations and Infrastructure functional teams to support reporting and visibility for incident, problem, change, vulnerability, and service performance management
Serve as a key liaison across IT domains including Core IT Applications, IT Support, IT Operations, IT Compliance and Security, Data & AI, and Business Applications
Engage with business stakeholders such as Accounting, HR, Marketing, Litigation Support, Records Management, and Docketing to align infrastructure services with business needs
Drive continuous improvement in portfolio management processes, tooling, and governance models