Systems Engineer (Operational Technology Infrastructure)

Our client is seeking two experienced Senior Systems Engineers to support critical infrastructure systems within a highly available Operational Technology (OT) environment.

Candidates must have experience supporting regulated infrastructure environments and be comfortable owning both technical execution and the audit evidence required to demonstrate compliance.

This is a hands-on engineering role for experienced infrastructure professionals who enjoy broad technical ownership across servers, virtualization, cybersecurity, networking, backups, and operating systems. The team supports the technology infrastructure behind mission-critical operational systems and is responsible for ensuring reliability, security, availability, and regulatory compliance.

The ideal candidate is a well-rounded systems engineer who can independently troubleshoot complex issues, administer enterprise infrastructure, support cybersecurity initiatives, and mentor junior team members while operating within a structured and highly regulated environment., * Support Windows Server and Red Hat Enterprise Linux systems, including installation, configuration, patching, upgrades, and troubleshooting.

• Manage Active Directory, Group Policy, security groups, permissions, and identity services.
• Perform server administration, operating system maintenance, vulnerability remediation, and system hardening.
• Support enterprise backup and recovery operations.
• Monitor and maintain system availability, performance, and reliability.
• Troubleshoot complex infrastructure, application, operating system, and connectivity issues.
• Participate in technology refresh and infrastructure modernization initiatives.

Security & Operational Support

• Administer security tools and infrastructure supporting operational environments.
• Support endpoint security, malware prevention, system monitoring, and log management activities.
• Perform vulnerability assessments and remediation activities.
• Administer firewall policies and network security controls.
• Support incident response and root cause analysis efforts.
• Ensure compliance with established cybersecurity and operational procedures.

Networking & Platform Technologies

• Support routing, switching, firewalls, and enterprise connectivity.
• Troubleshoot TCP/IP communications, network segmentation, and network performance issues.
• Support critical 24x7 infrastructure used within operational environments.
• Assist with security baseline management and control validation.

Compliance & Regulatory Responsibilities

• Support NERC CIP compliance requirements within a regulated operational environment.
• Participate in audits, compliance reviews, self-assessments, and evidence requests.
• Collect, maintain, validate, and organize compliance evidence supporting operational and cybersecurity controls.
• Document backup verification, patch management, vulnerability remediation, access reviews, and system changes.
• Operate within established change management, cybersecurity, and operational procedures.
• Demonstrate a clear understanding of what was performed, why it was required, and how it satisfies applicable controls and standards.

Leadership & Collaboration

• Serve as a senior technical resource for infrastructure and operational support teams.
• Mentor less-experienced engineers and administrators.
• Work independently while collaborating across engineering, cybersecurity, compliance, and operations teams.
• Participate in planning, maintenance activities, and continuous improvement initiatives., We’re looking for engineers who:
• Take ownership from problem identification through resolution.
• Can administer Windows, Linux, virtualization, networking, backup, and security technologies with minimal oversight.
• Understand the discipline required in highly regulated environments.
• Know how to produce and maintain audit-ready evidence supporting operational and cybersecurity controls.
• Balance infrastructure support, cybersecurity responsibilities, and compliance requirements.
• Learn new technologies quickly and share knowledge with teammates.
• Have the judgment and technical depth to support critical systems where reliability and security are essential.

• Bachelor’s degree in Computer Science, Information Technology, Computer Engineering, or equivalent combination of education and experience.
• 5+ years of Systems Engineering, Infrastructure Engineering, or Senior Systems Administration experience.
• Experience supporting regulated environments with direct responsibility for compliance, audit support, controls validation, and evidence collection.
• Working knowledge of NERC CIP requirements and associated operational practices.
• Familiarity with NIST Cybersecurity Framework (CSF) principles and their application in operational environments.
• Strong experience administering:
• VMware ESXi
• Windows Server
• Red Hat Enterprise Linux
• Active Directory
• Enterprise backup solutions
• Security monitoring and vulnerability management tools
• Experience supporting highly available infrastructure environments.
• Strong troubleshooting, root-cause analysis, and operational support skills.
• Ability to independently own technical tasks from implementation through audit-ready documentation.
• Ability to work onsite in Moncks Corner, South Carolina., * Electric utility, power generation, transmission, energy management systems, or other critical infrastructure experience.
• Check Point Firewall administration, including policy management, routing, and log monitoring.
• VMware administration and support.
• Veeam Backup & Replication.
• Nessus vulnerability management and assessment tools.
• Tripwire Enterprise and Tripwire Log Center.
• WSUS patch management.
• Symantec Endpoint Protection.
• MikroTik switches and routers.
• ICCP (Inter-Control Center Communications Protocol) familiarity.
• Experience supporting operational technology (OT), ICS, SCADA, or mission-critical operational environments.
• CISSP, GSEC, GCIP, VMware, Microsoft, Red Hat, or related certifications., CSS takes a keen interest in thoroughly understanding the client’s needs for a particular position. And then works to recognize the motivations and capabilities of candidates, looking for the win-win for client and candidate in the areas of fit and satisfaction for both parties. (more…)

Motivated Candidate

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