Systems Administrator

J. Morrissey & Company, Inc.

Newington (CT)

On-site

USD 80,000 - 90,000

Full time

14 days+
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Job summary

J. Morrissey & Company, Inc. in Newington, CT, is seeking a Systems Administrator to manage and support a hybrid Unix/Linux and Windows infrastructure. You will ensure secure, reliable IT operations and collaborate with internal teams to align technology with business goals.

The role covers maintaining Windows and Linux servers, applying updates, managing AD/DNS/DHCP, monitoring health, and scripting with Bash/PowerShell/Python. Visa-ble emphasis on security, disaster recovery, and documentation.

Qualifications

  • 3–5 years of experience in Unix/Linux and Windows system administration.
  • Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
  • Solid understanding of server OS (Windows Server 2016–2022, RedHat, Ubuntu).
  • Experience with virtualization (VMware, Hyper‑V) and cloud services (AWS, Azure).
  • Scripting and automation (Bash, PowerShell, Python).
  • Familiarity with container tools like Docker and Kubernetes.
  • Knowledge of networking fundamentals (TCP/IP, firewalls, load balancing).
  • Experience with ITIL frameworks; RHCSA or Azure Administrator certifications preferred.

Responsibilities

  • Maintain and support Windows servers as well as Linux/Unix in cloud and on-prem environments.
  • Apply system updates, patches, and configuration changes for performance and compliance.
  • Administer core infrastructure tools (AD, DNS, DHCP, Group Policy, NFS, SSH).
  • Monitor system health, analyze logs, and troubleshoot complex issues.
  • Automate processes using Bash, PowerShell, or Python to boost efficiency.
  • Enforce security best practices and assist in vulnerability remediation.
  • Manage access controls and identity systems.
  • Create and test backup and disaster recovery plans.
  • Keep detailed documentation and support junior team members.

Skills

Unix/Linux administration
Windows administration
Scripting (Bash PowerShell Python)
Cloud services (AWS Azure)
Virtualization (VMware Hyper-V)
Networking basics
ITIL practices
RHCSA/Azure cert preferred

Education

Bachelor’s degree in Computer Science/IT or related field

Tools

AD
DNS
DHCP
Group Policy
NFS
SSH
Docker
Kubernetes

Job description

Systems Administrator

Location: Newington, CT (on site)

Job Type: Full Time

Salary: $80,000 - $90,000

Position Summary: We’re hiring a skilled Systems Administrator to manage and support a hybrid infrastructure spanning Unix/Linux and Windows environments. You’ll ensure systems are secure, reliable, and high-performing while working closely with internal teams to align IT operations with business goals.

Key Responsibilities
  • Maintain and support Windows servers as well as Linux/Unix in both cloud and on-prem environments
  • Apply system updates, patches, and configuration changes for performance and compliance
  • Administer core infrastructure tools (AD, DNS, DHCP, Group Policy, NFS, SSH, etc.)
  • Monitor system health, analyze logs, and troubleshoot complex technical issues
  • Automate processes using Bash, PowerShell, or Python to boost operational efficiency
  • Enforce security best practices and assist in vulnerability remediation
  • Manage access controls and identity systems
  • Create and test backup and disaster recovery plans
  • Keep detailed documentation and support junior team members as needed
Requirements
  • 3–5 years of experience in both Unix/Linux and Windows system administration
  • Bachelor’s degree in Computer Science, Information Technology, or a related field (or equivalent experience)
  • Solid understanding of server OS (e.g., Windows Server 2016–2022, RedHat, Ubuntu)
  • Experience with virtualization (VMware, Hyper‑V) and cloud services (AWS, Azure)
  • Skilled in scripting and automation (Bash, PowerShell, Python)
  • Familiarity with container tools like Docker and Kubernetes
  • Knowledge of networking fundamentals (TCP/IP, firewalls, load balancing)
  • Experience with ITIL frameworks and methodologies
  • Certifications such as RHCSA, Azure Administrator, or similar are preferred

INDI

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