Senior IT Portfolio Manager - Infrastructure

US-IL-Chicago

Department: Information Technology

Summary

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.

Duties and 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

Salaries vary by location and are based on numerous factors, including, but not limited to, the relevant market, skills, experience, and education of the selected candidate. If an estimated salary range for this role is available, it will be provided in our Target Salary Range section. Our compensation package also includes bonus eligibility and a comprehensive benefits program. Benefits information can be found at Sidley.com/Benefits.

Target Salary Range
$175,000 - $195,000 if located in Illinois

Qualifications

To perform this job successfully, an individual must be able to perform the Duties and Responsibilities (Duties) above satisfactorily and meet the requirements below. The requirements listed below are representative of the minimum knowledge, skill, and/or ability required. Reasonable accommodations will be made to enable individuals with disabilities to perform the essential functions of the job. If you need such an accommodation, please email sidleytalentacquisition@sidley.com (current employees should contact Human Resources).

Education and/or Experience:

Required:

• 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

Preferred:

• 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

Other Skills and Abilities:

The following will also be required of the successful candidate:

• 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

Sidley Austin LLP is an Equal Opportunity Employer

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