Senior Systems Administrator

Senior Systems Administrator

Department:  Information Technology

Reports to: Senior Manager - IT Infrastructure
Location: In Office, Orange CT

The base salary range for this position is dependent upon experience and location, ranging from: $106,000 - $132,500

Job Summary

We are seeking a seasoned and proactive Windows System Administrator with 5+ years of experience in enterprise IT environments. This role requires deep expertise in Windows Server administration, virtualization, hypervisor-level networking, Active Directory, and Failover Clustering. The ideal candidate will also have experience integrating SAN/NAS storage into virtual environments, working with SCCM, participating in Disaster Recovery (DR) drills, and leading infrastructure projects. Familiarity with ServiceNOW and CMDB is preferred, as is exposure to Azure and AWS cloud platforms.

Key Responsibilities

• Administer, maintain, and troubleshoot Windows Server environments (2016/2019/2022).

• Configure and manage Hyper-V and Nutanix virtualization platforms.

• Design and maintain virtual networking within hypervisors (VLANs, virtual switches).

• Integrate SAN/NAS storage into virtual environments in collaboration with the Storage Team.

• Configure and maintain Windows Failover Clusters for high availability and resilience.

• Manage Active Directory, Group Policy, DNS, and DHCP services.

• Utilize SCCM for software deployment, patching, and asset management.

• Participate in and lead Disaster Recovery drills, ensuring readiness and documentation.

• Lead infrastructure-related projects, including planning, execution, and cross-team coordination.

• Collaborate with vendors for hardware/software procurement, support, and implementation.

• Work with ServiceNOW for incident, change, and request management; maintain accurate CMDB records.

• Provide Tier 2/3 support and participate in on-call rotation.

Required Qualifications

• Bachelor's degree, or the equivalent combination of education and experience.

• 5+ years of experience as a Windows System Administrator in enterprise environments.

• Strong understanding of virtual networking within hypervisors.

• Hands-on experience with Hyper-V, Nutanix, and Windows Failover Clustering.

• Solid knowledge of Active Directory, Group Policy, and domain services.

• Experience integrating SAN/NAS storage into virtual environments.

• Proficiency with SCCM for endpoint and patch management.

• Demonstrated experience with Disaster Recovery drills.

• Proven ability to lead projects and work effectively with vendors.

• Strong communication skills and ability to work independently and collaboratively.

• Strong understanding of virtual networking within hypervisors.

• Hands-on experience with Hyper-V, Nutanix, and Windows Failover Clustering.

• Solid knowledge of Active Directory, Group Policy, and domain services.

• Experience integrating SAN/NAS storage into virtual environments.

Preferred Qualifications

• Familiarity with ServiceNOW and CMDB practices.

• Exposure to Azure and AWS cloud platforms.

• Certifications such as MCSA, MCSE, CompTIA Network+, Azure Administrator Associate, or AWS Solutions Architect.

• Experience with PowerShell scripting and automation.

• Exposure to cloud migration and hybrid infrastructure strategies.

• Familiarity with ServiceNOW and CMDB practices.

• Exposure to Azure and AWS cloud platforms.

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Mobility Information

Please note that any applicant who is not a citizen of the country of the vacancy will be subject to compliance with the applicable immigration requirements to legally work in that country.

At Avangrid we provide fair and equal employment and advancement opportunities for all employees and candidates regardless of race, color, religion, national origin, gender, sexual orientation, age, marital status, disability, protected veteran status or any other status protected by federal, state, or local law.
If you are an individual with a disability or a disabled veteran who is unable to use our online tool to search for or to apply for jobs, you may request a reasonable accommodation by contacting our People and Organization department at careers@avangrid.com.

Avangrid employees may be assigned a system emergency role and in the event of a system emergency, may be required to work outside of their regular schedule/job duties. This is applicable to employees that will work in Connecticut, Maine, Massachusetts, and New York within Avangrid Network and Corporate functions.  This does not include those that will work for Avangrid Power.

Avangrid employees may also be assigned a NERC Reliability Standards compliance role supporting Critical Infrastructure Protection (CIP) and/or Operations and Planning (O&P) responsibilities. This is applicable to employees that will work in electric transmission, operations, and cyber security business areas in Connecticut, Maine, Massachusetts, and New York within Avangrid Network and Corporate business areas. NERC Reliability Standards compliance roles and responsibilities may include additional access protections, training, audit engagement, and required evidence retention, and will be communicated by the employee’s management.

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