Cross-Domain Cyber Security Guard | Linux & Automation

NCIM

Henegouwen

On-site

EUR 65,000 - 90,000

Full time

9 days ago

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Job summary

NCIM in Belgium seeks an experienced cyber security professional to manage cross-domain data exchange and system hardening across Linux environments. You will implement guards and data diode configurations, conduct testing, and develop automation scripts for daily administration tasks.

The role requires NATO Secret clearance, 3+ years in cyber security, strong Linux administration skills (Red Hat preferred), and hands-on experience with scripting (Bash, Python, Ansible) and network security.

Qualifications

3+ years practical experience in cyber security or related field.
3+ years Linux system administration (Red Hat preferred).
3+ years scripting/automation (Bash, Python, Ansible).
3+ years experience with firewalls and boundary protections devices.
3+ years system security, including hardening and SELinux.
3+ years system monitoring and troubleshooting.
3+ years experience with network protocols and traffic analysis.
Ability to troubleshoot complex network security issues.
3+ years LAN/WAN networking including protocol network architecture.
3+ years TCP/IP protocols and services.
Security certifications in cyber security (CISM, CISSP, GIAC).
Bachelor's degree + 3 years post-related experience; or exceptional alternate credentials.
Required NATO Secret security clearance.

Responsibilities

Central system administration and configuration of Guards and Data Diodes to ensure continuing functionality and availability.
Hardware and software systems installation and configuration.
Implementation and verification of guards and data diode configuration to meet cross-domain data exchange requirements.
Adaptation of release markings and/or email attachment types.
Configuration of additional cross-domain flows.
User and access management.
Monitor system performance and availability.
Analyze, troubleshoot and resolve application issues.
Development of automation scripts to meet day to day system administration tasks.
Monitor patch releases.
Test new software and patches.
Support A2SL process for approval of software updates.
Installation and configuration of software and patch updates.
Development of SOPs and other documentation for repetitive activities.
Produce and maintain comprehensive documentation for all implemented systems.
Technical support in troubleshooting infrastructure and operational issues.
Collaboration with other teams for a successful resolution.
Provide technical support and guidance by answering end-user requests to identify issues in secure cross-domain data exchange.