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Network Security Operations Specialist

Network Security Operations Specialist

TEKsystems (Allegis Group Singapore Pte Ltd)Singapore
13 days ago
Job description

Responsibilities

  • Serve as the primary point of contact for critical network security incidents, leading bridge calls and coordinating response efforts.
  • Monitor perimeter securityponents (firewalls, IDS / IPS, proxies, DDI, load balancers) and interpret alerts, dashboards and logs to identify potential service impacts.
  • Perform root-cause analysis and work with engineering teams to implement permanent fixes.
  • Develop and maintain accurate incident documentation, run-books and post-mortem reports.
  • Create simple automation scripts or workflows to streamline incident handling and reporting.
  • Liaise with vendors and external suppliers to escalateplex issues.
  • municate incident status and technical details clearly to stakeholders and update knowledge-base articles.
  • Uphold operational standards andernance policies during triage, testing and remediation activities.

Required Skills & Experience

  • 8+ years' experience in an enterprise network operations or security support environment.
  • Deep understanding of perimeter security technologies, including next-generation firewalls (, Check Point, Palo Alto, Fortinet, Cisco Firepower, Juniper SRX) and IDS / IPS solutions.
  • Proficiency with NAT, stateful firewall concepts, HA / clustering protocols and policy management.
  • Hands-on experience with tunneling protocols (SSL / TLS, IPsec, GRE) and DMZ / Internet security architectures.
  • Familiarity with DDI solutions (DNS, DHCP, IPAM), proxy / DLP technologies and load balancers (, F5 LTM / APM, NSX AVI).
  • Solid knowledge of PKI concepts (certificates, trust chains, CRLs, OCSP).
  • Strong troubleshooting skills and the ability to align actions with business impact and service-restoration goals.
  • Excellent verbal and writtenmunication skills and experience interfacing with stakeholders at all levels.
  • Demonstrated ownership and accountability, with the ability to hold others to account professionally.
  • Flexible approach to working hours, including participation in on-call rotations.

    • Desired Skills & Qualifications

  • Relevant industry certifications (, CCNP Security, CISSP, CCIE Security).
  • Experience with network automation and scripting (Python, Ansible, Shell, REST APIs).
  • Familiarity with ITIL best practices, incident / problem management and change control processes.
  • Exposure to Agile methodologies and tools (JIRA, Confluence).
  • E xperience using configuration-management or network-mapping

    • We regret to inform that only shortlisted candidates will be notified.

    EA Registration No : NG XUAN, R24123530

    Allegis Group Singapore Pte Ltd,pany Reg No. 200909448N, EA License No. 10C4544

    Job ID a4VOd000001JHxRMAW

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    Operation Specialist • Singapore