Top 3 Senior systems administrator Jobs in Stamford Ct

Senior Systems Administrator
Banner Life family of companies —Stamford, CT
- $165,000 - $175,000 a year
- Full-time
- Remote
- 7 years
- System design
- Windows
- Paid parental leave
- Health insurance
Sr. Systems Administrator
Charles IT —Stamford, CT
- Azure
- System design
- Windows
- Paid training
- Paid holidays
Quick Apply
Server Administrator (Manager / Sr. Manager)
SBT Global, Inc. —Englewood Cliffs, NJ
- $87,000 - $120,000 a year
- Weekends as needed
- 7 years
- Azure
- DevOps
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Senior Systems Administrator

Banner Life family of companies -
Stamford, CT

Apply Now

Job Details

Full-time
$165,000 - $175,000 a year

Benefits

Paid parental leave
Partner benefits
Health insurance
Dental insurance
Cash balance pension plan
Pension plan
Parental leave
Vision insurance
Volunteer time off
Life insurance

Qualifications

Cloud identity and access management (IAM)
Technical documentation
Windows
Cloud service support
Azure AD
Cloud compliance
Windows support

Full Job Description

Overview:

The Banner Life family of companies, which includes Banner Life Insurance Company and William Penn Life Insurance Company of New York, is a leader in Pension Risk Transfer with over 35 years of experience globally, servicing over a million annuitants. Building on our global success, we established our Pension Risk Transfer platform in the US in 2015. The business has grown steadily with over $14 billion in total premium as of year-end 2025.
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.

The Senior Systems Administrator serves as a senior technical escalation point and works closely with managed service providers (MSPs) to ensure service quality, consistency, and adherence to BannerPRT standards, security requirements, and operational expectations in a regulated environment.

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.

Qualifications:

Required Qualifications

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.

Preferred Qualifications

Experience in financial services, insurance, or pension administration environments.
- Familiarity with SOC 2, NIST, or ISO security frameworks.
- Relevant Microsoft or Azure certifications.

Benefits

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

The expected hiring compensation range for this position is $165,000 - $175,000 USD annually. Base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, and experience. The current bonus target for the position is 20% of the base salary with a stretch to twice the target, modified for corporate and individual performance.

**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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senior systems administrator jobs in stamford ct

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