Security Systems Administrator

Company Description

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development. Arηs Group was acquired by Accenture in July 2024.

Job Description

• Manage daily operational activities including incident handling, configuration changes, and service request fulfilment mainly on Check Point firewalls, F5 BIG-IP load balancers, Cisco Email Security Appliances and Forcepoint Secure Web Gateways.
• Implement approved changes following internal change management procedures, including documentation, validation, and rollback planning.
• Support troubleshooting of connectivity, performance, and security control issues in collaboration with networking and application teams.
• Apply recurring updates such as security policy modifications, SSL certificate renewals, virtual server configuration, and rule-base tuning.
• Maintain configuration consistency with architecture standards and compliance requirements.
• Prepare post-change reports and maintain change and incident records within client's ServiceNow ITSM tool.
• Provide root cause analysis for recurring operational issues and propose corrective actions.
• Assist in system hardening, performance optimization, and version upgrade preparation under supervision of the infrastructure architect.

Qualifications

• Bachelor's degree plus 9 years of relevant experience.
• Working knowledge of English (B2 or higher)
• Active security clearance.
• Minimum of 5 years of strong administration experience with:

1. Check Point Security Gateway and Management (R81.x) including rule base maintenance and VPN configuration.

2. F5 BIG-IP (LTM, ASM, APM modules) including load balancing, SSL offloading, and traffic policy management.

• Minimum of 5 years of experience with reading and interpreting logs from multiple sources to diagnose and close incidents effectively.
• Proficiency in Check Point Security Gateway and Management (R81.x) MDS, including rule base maintenance and VPN configuration and troubleshooting.
• Proficiency in F5 BIG-IP (LTM, ASM, APM modules) configuration and management including load balancing, SSL offloading, and traffic policy management.
• Knowledge and proficiency in network and security protocols (TCP/IP, SSL, TLS, HTTP/S, DNS).
• Knowledge of change management and ticket-handling processes according to ITIL v4.
• Familiarity with internal segmentation, high-availability configurations, and load distribution best practices.

Desirable:

• Minimum of 3 years of hands-on capability with CLI scripting and automation tools.
• Knowledge of change management and ticket-handling processes according to ITIL v4.
• Understanding of enterprise security policies and operational control procedures.
• Ability to enforce configuration and access management compliance.
• Skills in documenting changes and recording configuration baselines for audit readiness.
• Awareness of regulatory requirements and best practices relevant to secure system administration.