Senior Security Infrastructure Engineer

Náplň práce, právomoci a zodpovednosti:
We are looking for a Senior Security Infrastructure Engineer with strong hands-on experience in enterprise security technologies. The role focuses exclusively on firewalls, application security, traffic analysis, WAF, secure email gateways, and ADC/load balancers. No networking responsibilities are included.

Core Security Responsibilities:
• Operate, configure, and maintain enterprise-grade security systems
• Manage and troubleshoot:
- Cisco Firewalls (ASA/Firepower)
- Fortinet Firewalls (FortiGate)
- ForcePoint security products
• Analyze and interpret NetFlow (traffic flows, anomalies, threats)
• Manage application-level security
• Operate and support:
- Netscaler (Citrix ADC)
- F5 BIG-IP (LTM, ASM, APM depending on environment)
• Manage secure email gateways:
- Cisco IronPort (ESA) → migration and operations under Fortinet email security
• Perform firmware upgrades, security hardening, rule/policy optimization
• Respond to security-related incidents (A+/A/B/C) and lead root cause analysis
• Work with monitoring/logging platforms (Syslog, SIEM, NetFlow collectors)
• Maintain documentation and prepare security/SLA operational reports

Informácie o výberovom konaní:
* We are required by law to disclose basic wage component (minimum salary) for the advertised positions. Your actual final salary is based on your professional competencies, skills, qualifications and experience matching the position. If you are interested in our offer, send your CV in Slovak or English to ivana.jurikova@prohr.sk. Please, specify the position of your interest in the subject of message.

Požiadavky na zamestnanca:
• 4-5+ years of experience in enterprise security engineering
• Strong troubleshooting and analytical skills
• Ability to take ownership of complex environments
• Structured documentation and operational maturity
• Ability to work independently in critical incidents

Firewalls & Perimeter Security:
• Cisco Firewalls (ASA/Firepower) - strong hands-on
• Fortinet FortiGate - strong hands-on
• ForcePoint NGFW / Web / DLP
Traffic Analysis:
• NetFlow analysis / sietová prevádzka
• Ability to detect anomalies, capacity issues, and potential threats via flow data
Application Security:
• Experience with Aplikačná bezpečnosť
• Understanding of WAF concepts and application-layer protections
Proxy, Load Balancers & Application Gateways:
• Netscaler (Citrix ADC)
• F5 BIG-IP (LTM or ASM essential; APM advantage)
Email Security:
• Cisco IronPort (ESA)
• Experience with Fortinet email security → advantage

Preferred Certifications (Not Mandatory):
• Cisco CCNP Security / CCNA Security
• Fortinet NSE4/NSE5
• F5 CA / CTS
• Citrix (Netscaler) certifications
• ITIL Foundation