S2i2 Inc logo
S2i2 Inc

S2i2 is a growing company with a supportive and inclusive culture and many opportunities for professional development and growth. We have created a supportive, family-like work environment where contributions are recognized. Regular company updates and open lines of communication with leadership fosters collaboration within the company.

Operational Technology Security Engineer

Location

United States

Posted

54 days ago

Salary

ARS125K - ARS150K / year

Seniority

Mid Level

Job Description

Operational Technology Security Engineer

S2i2 Inc

Role Description The OT Security Engineer serves as the subject matter expert for all Operational Technology (OT), Industrial Control System (ICS), and SCADA cybersecurity requirements within the DLA TFS environment. This individual bridges IT and OT security, conducts OT-specific vulnerability assessments, manages asset visibility and remediation, and ensures compliance with ISA/IEC 62443 and DoD cybersecurity requirements across OT networks. Position may be on-site or remote (within 50 miles of a DLA MSC location). Qualifications - Seven (7) years of relevant OT Cybersecurity experience - Experience with OT communication protocols: Modbus/TCP, EtherNet/IP, IEC 61850, ICCP, DNP3, BACnet - Strong understanding of OT systems: SCADA, ICS, DCS, PLCs, HMIs, RTUs, and field devices - Knowledge of secure OT network architectures: segmentation, firewalls, IDS/IPS, and network monitoring solutions - Experience managing software and firmware updates for OT devices while minimizing operational disruption - Proficiency with OT-relevant cybersecurity frameworks: NIST CSF, ISA/IEC 62443, NERC CIP - Familiarity with DoD cybersecurity requirements: STIGs, TCG configuration guides, IAVMs, and Task Orders - Experience preparing environments for DoD cybersecurity inspections (CCRI, CORA) - Ability to develop, maintain, and validate cybersecurity artifacts and documentation - Knowledge of vulnerability scanning and asset visibility tools: ACAS, Nessus, Qualys, Forescout EyeInspect - Updates and tracks POA&M entries - documents findings, logs remediation, keeps milestones current - Experience performing OT-specific risk assessments, identifying threats, vulnerabilities, and operational impacts - Experience deploying and tuning security monitoring solutions for OT environments including anomaly detection - Ability to develop and implement OT-specific incident response plans - Ability to build automated workflows for vulnerability remediation, compliance checks, or reporting - Experience bridging IT and OT cybersecurity requirements to ensure aligned policies and protections Requirements - Active Secret clearance with Tier 3/T3 eligibility or Top-Secret accepted - Required Certification: One of the following - Security+, CCNA-Security, CySA+, ICS300 or relevant OT/ICS Cybersecurity Certifications - Acceptable equivalents include: GICSP (GIAC Global Industrial Cyber Security Professional) - preferred, ISA/IEC 62443 Cybersecurity Certificate, GRID (GIAC Response and Industrial Defense), GCIP (GIAC Critical Infrastructure Protection), CSSA (IACRB Certified SCADA Security Architect), Forescout or EyeInspect Experience or FCNSA certification Benefits - Support to achieve professional certifications and degrees - Leadership that is accessible to all employees - Regular company updates - Client networking social engagements - Monthly team-building activities (past examples: Top Golf) - Supporting our community - including veterans Company Description S2i2 is a growing company with a supportive and inclusive culture and many opportunities for professional development and growth. We have created a supportive, family-like work environment where contributions are recognized. Regular company updates and open lines of communication with leadership fosters collaboration within the company.

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