Security and Systems Administrator

Reading Cooperative Bank; Reading (MA); On-site; USD 95,000 - 125,000; Full time

Benefits offered by this job

Medical plans

Dental and vision coverage

Flexible spending accounts (FSA)

Disability insurance

Employee Assistance Program (EAP)

Generous paid time off

Interest-free emergency loan program

Tuition assistance

Job summary

Reading Cooperative Bank is seeking a Security & Systems Administrator to secure and manage its IT infrastructure. You will focus on security operations, incident response, and vulnerability management while performing hands-on systems administration.

The role requires strong Windows Server administration skills, familiarity with MDR/SIEM tools, and the ability to communicate complex findings to non-technical staff. This on-site position offers comprehensive benefits.

Qualifications

• Strong Windows Server administration and Active Directory/Group Policy experience.
• Experience with vulnerability management and security operations tools.
• Understanding of core security principles: incident response, logging, least privilege.

Responsibilities

• Administer, maintain, and support Windows Server environments and core infrastructure services.
• Lead vulnerability management including scanning, remediation coordination, and reporting.
• Monitor MDR platform (Rapid7) and tune alerts for quality.
• Review security logs across systems, endpoints, and network infrastructure.
• Respond to security incidents and document root cause findings.
• Develop and enforce security policies, standards, and procedures.
• Provide general systems administration support and end-user assistance.
• Create clear technical documentation and user communications.
• Participate in after-hours support as needed.
• Stay current with threats and security technologies.

Skills

Windows Server administration

Active Directory

Group Policy

Patch management

Rapid7 MDR/SIEM

Vulnerability management tools

Security fundamentals

Log analysis

PowerShell scripting

Networking basics

Education

Bachelor's degree in information security or IT infrastructure

2+ years Windows Server administration experience

Security+ or Microsoft certifications

Tools

Rapid7

SentinelOne

PhishER

M365

Job description

The Security & Systems Administrator is responsible for maintaining and securing the organization’s IT infrastructure, with a primary focus on security operations and vulnerability management. This role combines hands‑on systems administration with security monitoring, incident response, and continuous improvement of the organization’s security posture.

The ideal candidate is a technically strong Windows systems administrator who can proactively identify risks, respond to security events, and effectively communicate with internal users. This position requires strong troubleshooting skills, attention to detail, and a strong sense of urgency.

ESSENTIAL FUNCTIONS AND RESPONSIBLTIES

• Administer, maintain, and support Windows Server environments, including Active Directory, Group Policy, and core infrastructure services
• Lead vulnerability management efforts, including scanning, prioritizing, remediation coordination, and reporting
• Monitor the organization’s Managed Detection and Response (MDR) platform (Rapid7), including:
• Monitoring security logs and alerts
• Tuning detection rules and improving alert quality
• Monitor and maintain other security systems such as SentinelOne, PhishER, and M365
• Perform security log reviews across systems, endpoints, and network infrastructure
• Respond to security incidents, perform root cause analysis, and document findings
• Implement and maintain system hardening standards and security best practices
• Assist in the development, documentation, and enforcement of security policies, standards, and procedures
• Provide general systems administration support, including patching, upgrades, performance monitoring, and troubleshooting
• Support end users with technical issues as needed, especially where security is involved
• Create and maintain clear technical documentation and user‑facing communications
• Participate in after‑hours support, including best‑effort Saturday phone coverage
• Stay current with emerging threats, vulnerabilities, and security technologies

REQUIREMENTS (Knowledge, Skills, Abilities and Education and/or Experience)

Knowledge, Skills & Abilities

• Strong knowledge of:
  • Windows Server
  • Active Directory, Group Policy
  • Patch management and system lifecycle maintenance
• Familiarity with security operations tools (e.g., Rapid7 or similar MDR/SIEM platforms)
• Familiarity with vulnerability management practices and tools (e.g., InsightVM, Nessus, Qualys)
• Understanding of core security principles:
  • Endpoint protection
  • Logging and monitoring
  • Incident response
  • Least privilege and system hardening
• Ability to analyze logs, investigate alerts, and troubleshoot complex issues
• Strong problem‑solving skills with the ability to address incidents
• Excellent written and verbal communication skills:
  • Ability to document policies, procedures, and technical findings
  • Ability to communicate clearly with non‑technical users
• Familiarity with scripting or automation (PowerShell preferred) is a plus
• Basic networking knowledge (TCP/IP, firewalls, VPNs) is a plus

Education & Experience

• Bachelor’s degree in information security, IT Infrastructure, or equivalent experience required
• Minimum 2+ years of hands‑on experience in Windows Server administration
• Experience working in a collaborative IT environment and supporting internal users
• Relevant certifications (e.g., Security+, Microsoft, or similar) are a plus

BENEFITS

We offer a comprehensive and competitive benefits package designed to support the well‑being of our employees, including:

• Choice of medical plans
• Dental and vision coverage
• Flexible spending accounts (FSA)
• Disability insurance

Additional benefits include:

• Employee Assistance Program (EAP)
• Generous paid time off
• Interest‑free emergency loan program (up to $1,000, subject to program guidelines)
• Tuition assistance (available to full‑time and part‑time employees)

Reading Cooperative Bank is an equal opportunity employer committed to creating an inclusive environment for all employees. We prohibit discrimination and harassment of any kind and make all employment decisions without regard to race, color, religion, sex, pregnancy or pregnancy‑related conditions, age, national origin, disability, genetic information, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, Massachusetts, or local law.

This policy applies to all aspects of employment, including recruiting, hiring, compensation, promotion, benefits, training, and termination.