System Engineer (Maintenance) at Certis in Singapore | Kablio

Role

Description

server hardening

patch management

vm administration

network admin

cloud maintenance

incident response

Manage, patch, update, and perform OS hardening for Windows & Linux Server environments.
Ensure that all servers and virtual machines (VMs) are regularly updated and running efficiently.
Administer and maintain commercial network devices including routers, switches, and firewalls.
Troubleshoot and resolve hardware and software issues related to network infrastructure.
Implement and follow security best practices for Windows & Linux Server and network devices.
Ensure timely patching and updating of servers, VMs, and network devices, keeping systems secure and compliant with industry standards.
Proactively monitor network devices and services, diagnose issues, and implement solutions to ensure uptime and optimal performance.
Ensure compliance with industry standards and internal policies.
Assist in the maintenance and optimization of cloud environments in AWS and Azure
Perform regular checks and maintenance tasks on system/storage equipment. This includes ensuring optimal performance and identifying potential issues before they impact service.
Develop and maintain detailed system documentation for all infrastructure, including system configurations, network diagrams, and maintenance procedures.
Respond promptly to incidents or issues affecting infrastructure, perform root cause analysis, and take corrective actions to prevent recurrence.

Requirements

it certification

systems security

networking

3 years

diploma cs

communication

Good communication skills and positive working attitude.
IT Certification in system & storage, network, database, virtualization, cloud technologies will be an added advantage
Minimum 3 years’ experience in IT industry with at least 2 years in systems & security arena.
Hands-on experience in security-related tasks such as OS tightening, patching and updating, virus scanning will be an added advantage.
In-depth knowledge in systems security issues
Minimum Diploma in Computer Science or IT related studies
Knowledge of networking and IP/TCP protocol

Benefits

Information not given or found

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

People also searched

Company

Overview

1958Founded

Year of establishment as a Police unit

Born in 1958 as a Singapore Police Force unit, the company has a long history rooted in public safety and security operations.

S$1.2BRevenue

Annual revenue milestone

The company achieved a significant revenue milestone of S$1.2 billion after merging physical security, facilities management, and technology operations.

Evolved through heavy-civil style expansion into a tech-enabled security powerhouse corporatised in 2005.
Backed by Temasek, it became an ops-tech specialist by integrating physical security, facilities management, customer service, and technology.
Signature 'Security+' model integrates armed guard services with smart tech, command-control systems (like ARGUS), and cloud infrastructure via AWS collaboration.
Operates across Asia Pacific and Middle East, guarding VVIPs, airports, and major venues like Jewel Changi in Singapore, Australia, Hong Kong, Qatar, and China.
Typical projects include airport security, cash-in-transit logistics, facility management, tech-driven monitoring, and aviation screening.

Culture + Values

A 'can‑do culture' that recruits talent with a similar proactive attitude.
People are at the center of all our initiatives and decisions.
Departmental collaboration is encouraged, with teams uniting to achieve shared goals.
Senior leadership empowers managers and team members to drive positive changes within the organization.
Learning is prioritized through training programs, flexibility in career paths, and opportunities for career progression.

Environment + Sustainability

Net Zero 2050

Target Year

Committed to achieving a net zero carbon footprint by 2050.

EcoVadis Score

Sustainability Rating

Received EcoVadis Bronze Medal (March 2024) with score improved from 47/100 to 64/100 in two years.

Optimises emissions and energy via electric/hybrid fleets and environmentally-conscious infrastructure
Promotes responsible consumption: deliberate reduce-reuse-recycle policies
Industrial certifications: ISO 45001, Bizsafe; Modern Slavery Statement demonstrates ethical compliance
Supports customer sustainability via smart, operational-design solutions that enhance energy efficiency and circular-economy practices

Inclusion & Diversity

Adopts ALIVE Charter to ensure equal voice and freedom of expression
Meritocratic performance management with frameworks ensuring fair progression and reward
Certifications (Bizsafe, ISO 45001) reflect commitment to equity and safe workplaces
Employee Assistance Programmes support mental‑health access to trained professionals

Articles

Connect with Us (Recruitment & Enquiries)

About Us – Our Integrated Ops‑Tech Solutions

Certis selects Sourced Group for AWS cloud migration

Role

Description

server hardening

patch management

vm administration

network admin

cloud maintenance

incident response

Manage, patch, update, and perform OS hardening for Windows & Linux Server environments.
Ensure that all servers and virtual machines (VMs) are regularly updated and running efficiently.
Administer and maintain commercial network devices including routers, switches, and firewalls.
Troubleshoot and resolve hardware and software issues related to network infrastructure.
Implement and follow security best practices for Windows & Linux Server and network devices.
Ensure timely patching and updating of servers, VMs, and network devices, keeping systems secure and compliant with industry standards.
Proactively monitor network devices and services, diagnose issues, and implement solutions to ensure uptime and optimal performance.
Ensure compliance with industry standards and internal policies.
Assist in the maintenance and optimization of cloud environments in AWS and Azure
Perform regular checks and maintenance tasks on system/storage equipment. This includes ensuring optimal performance and identifying potential issues before they impact service.
Develop and maintain detailed system documentation for all infrastructure, including system configurations, network diagrams, and maintenance procedures.
Respond promptly to incidents or issues affecting infrastructure, perform root cause analysis, and take corrective actions to prevent recurrence.

Requirements

it certification

systems security

networking

3 years

diploma cs

communication

Good communication skills and positive working attitude.
IT Certification in system & storage, network, database, virtualization, cloud technologies will be an added advantage
Minimum 3 years’ experience in IT industry with at least 2 years in systems & security arena.
Hands-on experience in security-related tasks such as OS tightening, patching and updating, virus scanning will be an added advantage.
In-depth knowledge in systems security issues
Minimum Diploma in Computer Science or IT related studies
Knowledge of networking and IP/TCP protocol

Benefits

Information not given or found

Training + Development

Information not given or found

Interview process

Information not given or found

Visa Sponsorship

Information not given or found

Security clearance

Information not given or found

People also searched

Company

Overview

1958Founded

Year of establishment as a Police unit

Born in 1958 as a Singapore Police Force unit, the company has a long history rooted in public safety and security operations.

S$1.2BRevenue

Annual revenue milestone

The company achieved a significant revenue milestone of S$1.2 billion after merging physical security, facilities management, and technology operations.

Evolved through heavy-civil style expansion into a tech-enabled security powerhouse corporatised in 2005.
Backed by Temasek, it became an ops-tech specialist by integrating physical security, facilities management, customer service, and technology.
Signature 'Security+' model integrates armed guard services with smart tech, command-control systems (like ARGUS), and cloud infrastructure via AWS collaboration.
Operates across Asia Pacific and Middle East, guarding VVIPs, airports, and major venues like Jewel Changi in Singapore, Australia, Hong Kong, Qatar, and China.
Typical projects include airport security, cash-in-transit logistics, facility management, tech-driven monitoring, and aviation screening.

Culture + Values

A 'can‑do culture' that recruits talent with a similar proactive attitude.
People are at the center of all our initiatives and decisions.
Departmental collaboration is encouraged, with teams uniting to achieve shared goals.
Senior leadership empowers managers and team members to drive positive changes within the organization.
Learning is prioritized through training programs, flexibility in career paths, and opportunities for career progression.

Environment + Sustainability

Net Zero 2050

Target Year

Committed to achieving a net zero carbon footprint by 2050.

EcoVadis Score

Sustainability Rating

Received EcoVadis Bronze Medal (March 2024) with score improved from 47/100 to 64/100 in two years.

Optimises emissions and energy via electric/hybrid fleets and environmentally-conscious infrastructure
Promotes responsible consumption: deliberate reduce-reuse-recycle policies
Industrial certifications: ISO 45001, Bizsafe; Modern Slavery Statement demonstrates ethical compliance
Supports customer sustainability via smart, operational-design solutions that enhance energy efficiency and circular-economy practices

Inclusion & Diversity

Adopts ALIVE Charter to ensure equal voice and freedom of expression
Meritocratic performance management with frameworks ensuring fair progression and reward
Certifications (Bizsafe, ISO 45001) reflect commitment to equity and safe workplaces
Employee Assistance Programmes support mental‑health access to trained professionals

Articles

Connect with Us (Recruitment & Enquiries)

About Us – Our Integrated Ops‑Tech Solutions

Certis selects Sourced Group for AWS cloud migration