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# Cybersecurity Administrator

- **Company:** TREW LLC
- **Location:** West Chester, PA, United States
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Application Firewall, Microsoft Azure, Cloud Computing, Cloud Computing Security, CompTIA Security+, Cyber Security, Information Systems, Computer Literacy, Data Centers, Data Security, Disaster Recovery, Email Filtering, Email Management, Microsoft Exchange Server, Identity and Access Management, Information Security Management, Internet Security, Multi-protocol Systems, Information Systems Security Architecture Professional, Network Security, Microsoft Software, Network Configuration and Change Management, Oracle (Applications), Azure Active Directory, Phishing, Security Information and Event Management, Software Vulnerability Management, Wide Area Networks, Computer Network Operations, Firewalls (Computer Science), Information Technology, Network Support, Nessus, Data Management, Oracle Ebusiness, CIS Benchmarks, Splunk, SentinelOne Expertise, Cisco, Qualys, Vulnerability Analysis
- **Published:** August 20, 2026
- **Apply:** https://www.careerbuilder.com/job-details/cybersecurity-administrator-west-chester-pa--a6180aa7-6c48-4597-ab89-0d6543511196

## About the Role

Trew LLC is seeking a hands-on Cybersecurity Administrator to establish and maintain the company's information security program. This is a foundational role with broad scope: the successful candidate will be building security infrastructure from the ground up the organization operating Oracle EBS R12.2, Microsoft 365, Azure, and industrial automation environments. This role is a dedicated cybersecurity position being created and requires both operational proficiency and the ability to exercise independent judgment in a newly independent environment where security architecture, policies, and tooling must be established with urgency., * 3-5 years of experience in an IT security or systems administration role with direct security responsibilities

 * Hands-on experience with EDR platforms (CrowdStrike, SentinelOne, or equivalent), SIEM tools (Splunk preferred), and vulnerability management tools (Nessus, Qualys, or equivalent)
 * Working knowledge of Microsoft 365 security administration (Defender, Exchange Online Protection, Conditional Access)
 * Experience with firewall administration (Cisco, Palo Alto, or equivalent)
 * Familiarity with Active Directory and Azure AD identity and access management
 * Ability to work independently in an ambiguous environment and prioritize competing demands
 * Strong written and verbal communication skills; ability to translate technical risk into business terms

Preferred

 * Security certification: CompTIA Security+, CISSP, CISM, or equivalent
 * Experience in a manufacturing, industrial automation, or OT/ICS environment
 * Familiarity with Oracle EBS environments and associated security considerations
 * Experience supporting security in a post-M&A or carve-out environment
 * Knowledge of NIST CSF, CIS Controls, or ISO 27001 frameworks
 * Experience with cloud security (Azure preferred), * Bachelor's degree in Information Security, Computer Science, Information Systems, or a related field - or equivalent professional experience, Access Control, Automation, Business Continuity Planning (BCP), CISM - Certified Information Security Manager, CISSP - Certified Information Systems Security Professional, Cisco Network Systems, Cloud Computing, Communication Skills, CompTIA - Computing Technology Industry Association, CompTIA Security+, Computer Science, Computer Security, Disaster Recovery, Email Management/Administration, Email Security, Establish Priorities, Firewall Administration, Firewalls, ISO (International Organization for Standardization), Identity Data Management, Incident Response, Information Technology & Information Systems, Information/Data Security (InfoSec), Internet Security, Inventory Management, Laboratory Automation, Laboratory Systems, MPLS (Multi-Protocol Label Switching), Machine Tool, Manufacturing, Manufacturing Automation, Mergers and Acquisitions, Metrics, Microsoft Active Directory, Microsoft Exchange Server, Microsoft Product Family, Microsoft Windows Azure, Nessus, Network
Configuration Management, Network Operations Center, Network Security, Network Support, Operational Support, Oracle, Phishing, Physical Demands, Policy Development, Presentation/Verbal Skills, Process Development, Production Control, Production Systems, Regulations, Regulatory Compliance, Risk, Risk Analysis, Security Analysis, Security Architecture, Security Attacks, Security Information and Event Management (SIEM), Security Infrastructure, Simulation, Spam Filtering, Splunk, Systems Administration/Management, Technical Support, U.S. National Institute of Standards and Technology (NIST), Vulnerability Scanners, Wide Area Network (WAN), Willing to Travel, Writing Skills

## Description

Security Operations

 * Configure, manage, and monitor endpoint detection and response (EDR) tools across a mixed server environment (552 servers across on-premise and data center environments) and 2,555 end-user devices
 * Administer email security platforms including anti-phishing, anti-spam, and DLP controls within Microsoft 365
 * Manage MFA and identity access controls; support integration with Azure Active Directory and Oracle identity management
 * Monitor SIEM alerts (Splunk) and triage security events; escalate and coordinate incident response as needed
 * Maintain and tune firewall rulesets; support network security configuration across multi-site WAN (Cisco MPLS, Riverbed)
 * Conduct vulnerability scans, prioritize findings, and coordinate remediation with infrastructure and application teams

Policy & Compliance

 * Develop, document, and enforce cybersecurity policies, standards, and procedures appropriate for a standalone manufacturing organization
 * Support internal compliance requirements and assist with any applicable regulatory or customer security assessments
 * Maintain vulnerability management program including tracking, reporting, and remediation metrics
 * Assist with vendor risk assessments and third-party security reviews

OT / Industrial Environment

 * Provide basic cybersecurity support for operational technology (OT) environments including conveyor automation and engineering lab systems
 * Coordinate with engineering and operations teams to apply appropriate security controls without disrupting production systems
 * Support evaluation and potential deployment of OT-specific security tooling (e.g., Forge Cyber Insights)

Program Development

 * Contribute to the buildout of a security program from inception, including tooling selection, policy development, and process establishment
 * Support security awareness training and phishing simulation programs for end users
 * Maintain security asset inventory and participate in disaster recovery / business continuity planning for IT systems, This is primarily a desk-based role requiring extended periods of sitting and computer use. The position may require occasional travel to manufacturing facilities, customer sites, or vendor locations for meetings, implementations, and stakeholder engagement. While primarily office-based, mobility within the office and manufacturing facility may be required for collaboration with colleagues across departments.
Physical Requirements
Prolonged periods sitting at a desk and working on a computer. Must be able to lift up to 15 pounds at times. Ability to traverse office, manufacturing facility, and customer sites as needed.
Trew EEO Statement
Trew and its companies are an equal opportunity employer. Applicants will be considered for employment without regard to age, race, creed, color, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status.
Other Duties
Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.


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