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OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD

Cybersecurity Operations Specialist - L3 (SDWAN, ACI, Nexus)

Early Applicant
  • Posted a month ago
  • Be among the first 10 applicants
15-17 Years
SGD 8,000 - 11,000 per month

Job Description

Job Specific Environment and/or Organization

  • Working hours will be in rotating shifts and primarily to cover Europe business hours
  • On-call support will be expected on a rotational basis on both weekdays and weekends

Requirements

Mandatory track record

  • 15+ years of Experience in managing network and security infra.
  • 10+ years Experience in handling major network security projects (ex: SDWAN, ACI and Nexus)
  • 10+ years Experience in handling Firewalls/IPS/F5/Pulse/Proxies, Routers/Switches.

Technology / Product Experience:

  • Cisco: ACI, Nexus, Catalyst, DNAC, ISE , iOS, NXOS
  • Arista: Switches, EOS
  • Fortinet: Firewall, IPS
  • F5: LTM, ASM, APM , TMOS
  • Infoblox: DNS, DHCP
  • Skyhigh: Proxy
  • Ivanti: Remote access
  • Checkpoint: Firewall, MDS
  • Trendmicro: IPS/IDS

Tools / Product Experience:

  • Programming: Python/Bash/Ansible
  • Tools: Wireshark/Tshark/Netflow

Education Requirements

At least a Bachelor's degree in any of these faculties:

  • Computer Science
  • Information Technology
  • Programming & Systems Analysis
  • Science (Computer Studies)

Main Responsibilities

As an expert of his/her team, he/she:

  • assigns technical tasks and manages delegation for technical issues,
  • animates the team to encourage collaboration and sharing of best practices,
  • has a role in supporting technical skills development and provides training when required,
  • supports new technologies and leverages them to provide consistency of service across streams,
  • manages service improvements for all Network and Security services supported throughout the organization,
  • documents, reviews, maintains and shares relevant technical information to the team
  • provides technical direction, supports services both proactively and reactively to maintain the availability and reliability of system infrastructure in accordance with the SLA,
  • implements and develops improvements based on company's best practices,
  • focuses on automation and optimum use of the team to improve efficiency,
  • drives and delivers root cause for any high severity issue,
  • reviews technology changes to identify potential risks,
  • is responsible for problem management and resolution

As an experienced professional in Network-Security Services, he/she:

  • supports his/her team during diagnosis when technical issues rise in his/her scope of expertise,
  • is aware of the global IT structure so that he/she anticipates interrelationships within the organization,
  • engages with technical peer, Service managers, Architect and project teams on technology roadmap and projects,
  • facilitates transformation projects and suggest future directions for new areas of improvement and change,
  • guarantees the production readiness and license to operate of new projects and solutions
  • is available and able to drive technically, any complex or high severity incidents that occur within the scope of their role,
  • actively engages to understand new technologies and technologies trends and reviews them with a view to incorporating them into the company operations,
  • actively assists in identifying the most technical skilled candidates for open roles,
  • technically coach and develop partner resources to improve quality and productivity,
  • Define the technical skillset required to support company technologies.

As the escalation point of contact for Clients, he/she:

  • manages the daily relationship with Clients including planning, requests clarification, risks mitigation and service quality

Legal and Regulatory Responsibilities:

  • Comply with all applicable legal, regulatory and internal Compliance requirements, including, but not limited to, the Singapore Compliance manual and Compliance policies and procedures as issued from time to time Financial Security requirements, including, but not limited to, the prevention of Financial Crime and Fraud including reporting obligations to the Money Laundering Reporting Officer/Compliance Officer.
  • Maintain appropriate knowledge to ensure to be fully qualified to undertake the role.
  • Complete all mandatory training as required to attain and maintain competence.

UEN: 199700895N

EA License Number: 16S8070

More Info

Date Posted: 20/08/2025

Job ID: 124261361

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Last Updated: 28-09-2025 07:53:49 PM
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