Senior Systems Administrator
Indexed description
At Banner Life family of companies, we aim to make a positive difference in the lives of our customers, partners, colleagues, and the communities in which they live. We are passionate about what we do and how we do it. This means working with pace and energy to reach our goals and challenging ourselves to achieve more. We strive to create a unique environment where a balance between work and life is possible.
Purpose and Objective
The Senior Systems Administrator is responsible for the stability, security, and ongoing operation of BannerPRT's infrastructure platforms across Azure, Microsoft 365, and on-premises environments.
This role serves as the senior technical escalation point for complex infrastructure issues and is responsible for maintaining the performance, availability, and security of critical systems. The Senior Systems Administrator actively performs system administration, troubleshooting, implementation, automation, and documentation activities while collaborating with managed service providers (MSPs) and internal stakeholders to ensure service quality and adherence to BannerPRT standards, security requirements, and operational expectations in a regulated environment.
This is an individual contributor role with no direct people management responsibilities. Success in this position is driven by technical expertise, problem-solving, system administration, infrastructure engineering, and the ability to independently execute and deliver solutions.
Responsibilities
- Administer and support Azure infrastructure services including Entra ID, Conditional Access, RBAC, PIM, networking, compute, and storage.
- Manage and support Microsoft 365 services including Exchange Online, Teams, SharePoint, and OneDrive.
- Support on‑premises infrastructure including Windows Server, Active Directory, DNS/DHCP, Group Policy, and file services.
- Design and maintain hybrid integration between on‑premises systems and Azure.
- Lead incident resolution, root cause analysis, and preventative remediation.
- Work closely with managed service providers (MSPs) to oversee service delivery, validate work quality, enforce standards, and address performance or compliance issues.
- Implement and maintain security controls aligned with SOC 2 and NIST principles.
- Support audits, risk assessments, and evidence collection activities.
- Define, maintain, and improve operational runbooks, monitoring, backup, and recovery processes.
- Mentor and provide technical guidance to system administrators and service desk staff.
- Partner with IT leadership on platform improvements, standardization, and roadmap planning.
- 7+ years of experience in systems administration or infrastructure engineering.
- Strong hands‑on experience with Azure, Microsoft 365, and Windows Server / Active Directory.
- Experience supporting hybrid cloud environments.
- Knowledge of identity and access management concepts.
- Experience operating in regulated or audit‑driven environments.
- Experience coordinating with or overseeing managed service providers.
- Strong troubleshooting, documentation, and communication skills.
- Experience in financial services, insurance, or pension administration environments.
- Familiarity with SOC 2, NIST, or ISO security frameworks.
- Relevant Microsoft or Azure certifications.
- 10 - 25 vacation days, depending on experience level and years of service
- 4 floating holidays, 2 personal days, & 2 wellness days
- 10 - 15 sick days, depending on years of service
- 2 paid volunteering days
- Health benefits, including medical, dental, and vision coverage
- Supplemental health benefits and life insurance
- 6 weeks of paid parental and maternal leave
- Immediate vesting into a 401 (k) savings plan with up to 6% company match
- 100% employer-contributed Pension Plan - Cash Balance Plan after 1 year of service
- Flexible Workspace and Arrangements
- Tuition and Certification reimbursements
- Infertility and domestic partner benefits
** This role is hybrid located in Stamford, CT**
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
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