Head of Infrastructure

About the role

Arium Networks is building a modern, independent IT organization following a recent carve-out. We are seeking a Head of Infrastructure to stabilize, modernize, and scale enterprise infrastructure, ensuring it supports growth, resilience, and operational excellence.

Responsibilities

• Stabilization & Operations Lead post-migration stabilization across M365, IAM, and ServiceNow
• Reduce ticket backlog and improve service performance
• Establish SLAs, KPIs, and operational discipline
• TSA Exit & Transition: Own infrastructure workstream for TSA exit
• Ensure knowledge transfer, service continuity, and risk mitigation
• Partner with vendors to accelerate transition
• Infrastructure Strategy & Modernization: Define and execute target-state architecture (Azure-first)
• Modernize cloud, collaboration, identity, and workplace services
• Shift to proactive, engineering-led platform ownership
• Operating Model & Governance: Implement platform-based ownership (M365, IAM, Network, ServiceNow)
• Establish governance across incidents, change, and service management
• Drive process standardization, automation, and continuous improvement
• Vendor & Financial Management: Manage MSPs and partners; ensure SLA adherence and performance
• Optimize costs across cloud, licensing, and services
• Align investments to business outcomes
• Leadership: Build and scale a high-performing infrastructure team
• Align structure to platform model; foster accountability and execution excellence

Requirements

• Bachelor's degree in computer science or a related discipline required; master’s degree preferred
• 12+ years IT experience; 8+ years in infrastructure leadership
• Expertise in M365, Azure/AWS, IAM, and ServiceNow
• Experience in carve-outs, M&A, or TSA transitions
• Proven track record improving performance at scale

Qualifications

• Where you will work: Hybrid work model, 2-days work from home (Friday and Monday) and 3-days in the office (Tuesday through Thursday)
• Pursuant to the Los Angeles County and San Francisco Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records.
• If you are interested in joining our team, please visit the Arium Networks careers site to apply.

Benefits

• Comprehensive healthcare plans with highly company subsidized premiums and annual company contribution to your Health Savings Account (HSA base plan for employee and dependents).
• Market-leading 401(k) plan, which includes up to 10% company contributions through our 5% match and 5% profit sharing program (based on employee contributions).
• New-child leave up to 8 weeks of 100% paid leave upon birth or legal adoption of a new child. Birth mothers are eligible for up to 8 weeks of additional 100% paid medical leave.
• Tuition reimbursement for eligible tuition and fees.
• Generous paid time-off for eligible full-time employees (minimum 18 days per year based on years of service).
• 10 company holidays plus 2 floating holidays.

Pay

The pay range offered for this position is $244,000 to $324,000. A candidate’s offer is determined by various factors including but not limited to, depth of experience, role-related knowledge and skills, relevant education or training, internal alignment, and work location. Depending on the position offered, the compensation package may also include incentive compensation opportunities in the form of a discretionary annual cash bonus or commissions, and equity incentives.