Senior Manager, Infrastructure Operations, Information Technology

NISA Investment Advisors, LLC; St. Louis (MO); On-site; USD 120,000 - 150,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Life insurance

Paid time off

Competitive retirement plan

Onsite cafeteria

Fitness center

Health and wellness program

Educational assistance program

Job summary

NISA Investment Advisors, LLC is seeking a seasoned IT Infrastructure leader to guide and manage its technical teams in St. Louis, Missouri. The ideal candidate will have 10-12 years of experience in IT infrastructure management and a proven track record in overseeing highly available production environments.

This role involves mentoring staff, developing strategic infrastructure roadmaps, and ensuring resiliency of critical systems. Candidates should be knowledgeable in site reliability engineering and possess strong leadership skills.

NISA promotes collaboration and innovation, supporting professional growth and offering competitive employee benefits.

Qualifications

• 10-12 years of IT Infrastructure experience with supervisory role.
• Proven experience with high-availability production environments.
• Experience in financial services, particularly in SEC-regulated environments.

Responsibilities

• Lead technical teams in infrastructure engineering responsibilities.
• Develop infrastructure strategy roadmap in collaboration with Head of Technology.
• Ensure uptime and performance of mission-critical systems.

Skills

IT Infrastructure management

Leadership and mentoring

Site reliability engineering

Disaster recovery planning

Infrastructure-as-code

Education

Bachelor's degree in a related field

Tools

Terraform

Ansible

AWS

Azure

Cisco

Citrix

Palo Alto

Job description

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.

Responsibilities

• Provide primary technical leadership and guidance across infrastructure engineering responsibilities, including datacenter, server virtualization, network, and core IT systems such as Active Directory/Entra ID and 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

Qualifications

• 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 resiliency for systems with stringent uptime requirements
• Working knowledge of site reliability engineering practices, including service‑level objectives, error budgets, and observability and monitoring tooling, and the ability to establish and lead 24x7 on‑call and incident‑response coverage
• Experience managing technology environments in financial services, ideally for an SEC‑registered investment adviser or comparable institution, with an understanding of the reliability, security and compliance expectations that accompany an SEC‑regulated environment
• Hands‑on experience across hybrid environments spanning on‑premises datacenter and public cloud, with practical experience using infrastructure‑as‑code and configuration‑management tooling such as Terraform and Ansible
• Experience with Microsoft, Cisco, Citrix, Palo Alto and public cloud platforms (AWS and Azure) preferred
• Demonstrated experience as a hands‑on technical manager, actively involved in designing, developing and implementing technical solutions
• Aptitude for troubleshooting and solving complex issues through creative solutions
• Strong leadership, communication and mentoring skills, including the ability to communicate technical concepts to non‑technical stakeholders

Benefits

NISA’s culture encourages collaboration and innovation. We seek self‑motivated, intellectually curious individuals willing to push themselves and others in an environment that celebrates fresh thinking. We equip employees with the resources needed to excel and we encourage personal development. NISA is dedicated to internally cultivating and rewarding talent. Employees at NISA are provided with a wide range of benefits, including health, dental, vision and life insurance options, paid time off, a competitive retirement plan, onsite cafeteria, fitness center, a health and wellness program and an educational assistance program.

Equal Employment Opportunity

NISA is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.