Executas HR and Business Solutions

Senior Security Network Specialist

İstanbul, İstanbul, TR

6 days ago
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Summary

At Executas, we are proud to partner with leading companies to help them find top-tier talent. Currently, we are looking for an experienced Senior Network Security Specialist on behalf of one of our esteemed clients. This role offers a unique opportunity to take ownership of critical network security operations in a dynamic and enterprise-level environment.


🌐 What You’ll Be Doing

  • Design, implement, and troubleshoot secure network architectures, particularly in data center and large enterprise environments.
  • Manage and configure advanced security solutions, including Cisco Firepower, ASA (NAT 8.2/9.1), WSA, ISE (SGT/SGA), and Checkpoint.
  • Lead deployment and optimization of VPNs, IPS, CSM, and Cisco AnyConnect with DAPs.
  • Execute NAC and 802.1x implementations to strengthen network access control.
  • Support WAN solutions including DSL and SD-WAN technologies.
  • Collaborate with global teams and vendors, handling service tickets in fluent English (both written and spoken).
  • Ensure the secure configuration of routers, switches, firewalls, and IDS/IPS across the network.
  • Act as a subject-matter expert in security standards, architecture design, and continuous improvement initiatives.


🧩 What We’re Looking For

  • A degree in Computer Engineering, Electrical and Electronics Engineering, or a related technical field.
  • 5+ years of professional experience in network and network security roles.
  • Advanced understanding of TCP/IP networking, LAN switching, and routing protocols (OSPF, RIP, EIGRP, BGP).
  • Strong hands-on experience in enterprise network security environments.
  • Familiarity with Cisco ASA, Cisco ISE, VPN, and AnyConnect Premium, especially posturing with DAPs.
  • Project management capability and the ability to communicate technical solutions clearly to various stakeholders.
  • Recognized certifications such as CCNP, CCSP, or CCIE are preferred.
  • A collaborative mindset, problem-solving skills, and a customer-oriented approach.

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