Weekend Cyber Security Jobs in Missouri (NOW HIRING)

Cybersecurity Program Execution & Evidence Ownership 

• Supported and lead by BV Senior Cybersecurity Consultants from Home Office, manage day-to-day execution of the on-site OT cybersecurity program, including tracking requirements, planned actions, and completion status and report status of activities to BV Senior Cybersecurity Consultants for review and approvals 

• Build and maintain anorganized evidence repository(audit-ready), ensuring deliverables are properly dated, labeled, and attributable. 

• Maintain logs, checklists, procedures, forms, test results, scan outputs, approvals, and sign-offs as required. 

CFAT / Cyber Site Acceptance Testing (CSAT) Support 

• Support pre-CFAT readiness and participate invendor CFATactivities as required (travel required). 

• Validate cybersecurity controls prior to shipment (where applicable), including accounts, logging, backups, malware controls, and baseline configurations. 

• Track and close cyber-related FAT punch items; ensure retests and final evidence are captured and filed. 

Identity, Credential, and Access Control 

• Verify and document required access controls includingMFA for remote access, least privilege, and role-based access models. 

• Support account management documentation: default credential changes, service account controls, privilege verification, termination/role-change access actions, and secure credential handover processes. 

Asset Inventory, Configuration Baselines & Change Tracking 

• Maintain support for hardware/software inventory requirements (including OS/firmware versions, asset tags, locations, network references). 

• Track configuration baselines, redlines, and as-built updates throughout construction and commissioning. 

• Coordinate change documentation and evidence, including post-change backup capture and validation. 

Removable Media & Transient Cyber Assets (TCA) Controls 

• Enforce and document removable media and transient device controls in line with Owner policies and site procedures. 

• Oversee malware scanning workflows, authorization forms, encrypted media handling, quarantine steps, and scanning evidence retention. 

• Coordinate vendor site visit preparations (e.g., ensuring vendor laptop/TCA scanning expectations are met). 

Monitoring, Logging, and Detection Enablement 

• Coordinate and document OT log onboarding toSplunk/SIEM, including log sources, retention requirements, and forwarding architecture. 

• Support readiness for NIDS/span port configuration and event forwarding requirements. 

• Validate and document that logging is enabled, time-synchronized, and functioning without impacting system performance. 

Backup, Recovery, and Resilience 

• Verify backup procedures are in place for OT assets and that backups are created after major changes (patching, configuration updates). 

• Support restoration testing where required; ensure offline backup handling meets custody and storage requirements. 

• Track encrypted portable hard drives / backup media custody and handover documentation where applicable. 

Incident Reporting & Response Support 

• Maintain cyber escalation contacts and on-site reporting procedures. 

• Support documentation of cybersecurity events, policy violations, corrective actions, and evidence of remediation steps. 

• Coordinate with ICS Cybersecurity and Owner stakeholders for incident-related communications and records. 

Training, Workforce Security & Compliance Documentation 

• Track and maintain evidence for required cybersecurity awareness training completion. 

• Support workforce security evidence collection (e.g., authorization logs, background check logs, access revocations). 

• Conduct periodic verification that access authorizations remain current and justified. 

A successful Cybersecurity Custodian will: 

• Maintain a complete, well-organized cyber evidence repository that maps activities to requirements and stands up to Owner and compliance scrutiny. 

• Enable smooth FAT/CFAT/commissioning progress by identifying cybersecurity gaps early and driving closure without schedule disruption. 

• Demonstrate strong coordination across vendors, EPC, site teams, and the back-office cyber team. 

• Establish consistent cyber processes on-site that improve repeatability and reduce risk. 

• 3+ yearssupporting industrial/power generation control systems or OT environments. 

• Cybersecurity training or certifications (e.g.,Security+,GIAC,ISA/IEC 62443,CISSP). 

• Practical knowledge of OT networking fundamentals such as:IP addressing, VLANs, firewall concepts, routing basics. 

• Familiarity withNERC CIP concepts, OT segmentation, MFA, jump hosts, and least-privilege design. 

• Ability to workon-site in Beech Island , SCfor12+ months(typical 5x8 with occasional off-hours during cutovers). 

• Willingness to travelto vendor facilities forCFATsupport. Occasional travel for planning/working sessions may be requested. Eligible to meet badging/background/site access requirements. 

• Experience withSplunk/SIEM, antivirus/whitelisting, vulnerability scanning, or backup tooling. 

• Experience supporting FAT/commissioning on large capital projects (power generation or similar). 

• Strong documentation discipline-ability to produce clear procedures, logs, checklists, and evidence packages. 

• Experience working with vendors and multi-discipline teams in construction/commissioning environments

Bachelor's Degree or relevant work experience.

4+ years experience in a business/consulting environment. 

All applicants must be able to complete pre-employment onboarding requirements (if selected) which may include any/all of the following: criminal/civil background check, drug screen, and motor vehicle records search, in compliance with any applicable laws and regulations.

Certifications related to area of expertise, where applicable preferred.

Normal office environment