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Senior Cyber Infrastructure Engineer (Windows)

Ensign InfoSecurity.com

Office

SG Ensign Kallang Place, L7 (Left Wing), Singapore

Full Time

Ensign is hiring !

Responsibilities

  • Provide system & network infrastructure engineering and support from small to large scale security centric infrastructure projects
  • Work closely with solution architects to define best approach for design and implementation of system and networks in physical and virtualized environments
  • Responsible as point of escalation for technical problems and SME in areas including system security, network architectures, implementation and operations
  • Lead technical implementation of new network and system solutions alongside project managers as well as fronting stakeholders like customers, telco and product partners
  • Perform and validate system and network hardening and maintain baseline configuration documentations
  • Lead ad-hoc activities such as major maintenance, migrations or disaster recovery
  • Assist in compliance and audit activities for enforcement of policies, standards and procedures
  • Take on the role of a mentor to junior engineers

Requirements

  • Diploma/Degree in Engineering/Information System/Information Security from a recognized institution with 5 or more years of relevant working experience
  • In-depth knowledge of networking foundations and industry standard IT protocols
  • Strong experience in Windows, Linux and Vmware/HyperV systems
  • Strong experience in Next-Gen Firewalls, VPN, switching/routing, load balancers and proxies
  • Experience in windows server domain environment such as active directory, group policies, DNS/DHCP and SCCM etc.
  • Hands-on experience in system and network security-related tasks such as hardening, patching, capacity planning and design
  • In-depth knowledge in network and systems security
  • Experience in scripting, resource capacity planning and system design will be an added advantage
  • Good communication skills with driven and motivated working attitude
  • Ability to excel and work effectively in a team

Preferred Skills /Qualities

  • Professional information technology/security certifications such as ITIL, CCNA, CCNP, MCSE, VMware will be preferred but related qualification (i.e. CCIE, CISSP etc.) will be an advantage
  • Certification in Microsoft, Vmware, Cisco, Checkpoint, Palo Alto, Fortinet, F5 products and technologies is desired

Other Special Working Conditions

  • Able to be on standby after office hours

Senior Cyber Infrastructure Engineer (Windows)

Office

SG Ensign Kallang Place, L7 (Left Wing), Singapore

Full Time

October 3, 2025

company logo

Ensign InfoSecurity