Senior Manager, Infrastructure Operations, Information Technology

Overview

NISA Investment Advisors, LLC (NISA) partners with world‑leading organizations to design, develop, and manage highly customized, risk‑controlled investment strategies across fixed income, equities, and derivatives. With $462 billion assets under management ($295 billion in physical assets and $167 billion in derivatives notional value), NISA actively manages risk for institutional investors, providing clarity to complicated challenges and stability in ever‑evolving markets. At NISA, we foster a culture that supports both personal and professional growth, providing opportunities to learn from experienced professionals while contributing meaningful work from the outset.

We seek candidates who demonstrate strong quantitative and analytical skills, intellectual curiosity, and a collaborative mindset to join our growing teams.

The Senior Manager, Infrastructure Operations will lead the team responsible for NISA's datacenter and network infrastructure. By working closely with other technology groups and stakeholders across the firm, a successful candidate will play a key role in ensuring a performant, reliable, scalable and secure technology foundation for NISA.

• Provide primary technical leadership and guidance across infrastructure engineering responsibilities, including datacenter, server virtualization, network, and core IT systems such as Active Directory/Entra  Exchange
• Partner with the Head of Technology Operations to develop NISA's infrastructure strategy roadmap and integrate it with the enterprise technology strategy
• Lead, mentor and grow a high‑performing technical team, setting clear objectives and building lasting depth and bench strength through training, coaching and strategic planning
• Collaborate in the running of on‑premises and public‑cloud infrastructure as a single, continuous environment, partnering day to day with the groups that build NISA's cloud platforms and advancing common automation, observability and infrastructure‑as‑code practices across both
• Own the availability, resiliency and performance of mission‑critical systems by applying site reliability engineering practices, including defining, building and tracking service‑level objectives, error budgets and observability metrics, alongside capacity planning, disaster recovery, and incident and problem management
• Define and execute against quantified service‑level and operational metrics for uptime, performance and capacity, reporting transparently on results and driving continuous improvement against those targets
• Establish and lead 24x7 on‑call and incident‑response coverage for production infrastructure, ensuring rapid escalation and resolution to protect uptime and stability
• Collaborate with technology leaders across the firm, particularly in cybersecurity and cloud platforms, to deliver secure and resilient solutions that meet the firm's operational obligations and its regulatory obligations as an SEC‑registered investment adviser
• Oversee cross‑functional Infrastructure Operations staff to ensure the delivery of reliable and scalable solutions that support NISA's strategic technology objectives
• Maintain a high degree of readiness to adopt and implement new technology solutions and best practices, and foster a culture of continuous improvement and operational excellence
• Oversee budgeting, vendor relationships and expenditure management in areas of primary responsibility, including selecting and coordinating the purchase of new and replacement hardware and software
• Collaborate with senior leadership and other teams to ensure timely resolution of pending issues and alignment of team performance with firm objectives

• Bachelor's degree in a related field or extensive equivalent experience required
• 10-12 years of IT Infrastructure experience along with 5+ years of progressive experience in a supervisory role managing cross‑functional teams in technology delivery, with a demonstrated record of developing talent and leading through change
• Proven experience operating and maintaining highly available, mission‑critical production environments, including high‑availability design, disaster recovery and…