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Senior System Infrastructure Engineer

Date:  15-Mar-2023


Business Unit:  GTO Operations

About Certis

We are a leading security services organisation. We put technology to work in making the world a safer place. Our mission is that as trusted partners, we protect lives and assets, and deliver integrated critical services. By empowering our people, our goal is to enable our communities to stay safe and thriving.

We offer a broad range of opportunities and career pathways for our people to grow and explore their potential. We believe that people, equipped with innovative thinking and technological capabilities will make the world safer, smarter and better.

Life at Certis

If you are a passionate individual looking for opportunities to expand your skills, and purposeful work instead of just a ‘job’, we would love to hear from you.

At Certis, no two days look alike. Our work calendars are filled with chances to collaborate with others, and bring new initiatives to life. Whether you’re looking to improve a process, or have an innovative idea awaiting a technology solve, we want you to bring your ideas to the table.

We are a close-knit team that looks out for each other, works hard to get the job done, and encourages each other to grow – the perfect place for you to grow your career!

Duties & Responsibilities

  • To maintain and support the critical Corporate system to ensure high system availability for the Corporate services
  • Responsible for the monitoring of the critical system availability and performance and to respond in the event of any operation and security incident related to the Corporate system
  • To review and analyse Corporate system performance and advise on Corporate system performance tuning and improvement
  • To work closely with a team of engineers to ensure the day-to-day operations of on-premise and core cloud infrastructure
  • Perform the day-to-day activities (system monitoring, availability of servers, reviewing of logs, verifying completion of jobs) of the UAT & Production deployments in data centers and on the cloud
  • To plan and apply OS patches, security patches and upgrades on a regular basis
  • Install, configure, maintain and troubleshoot environments across stages (Dev, Test, Prod)
  • Maintain OS, database, middleware and software updates current across servers
  • To engage users to understand their IT needs, design and lead improvement projects to achieve the operational KPI/SLA. This includes needs within the Teams to improve day-to-day operations
  • To liaise and manage 3rd party vendors/supplier to ensure all contractual obligations are fulfilled, which include price negotiation and definition of scope of work
  • To perform vendor assessments to determine the compliance readiness and capability of vendors to ensure the most suitable vendor is chosen for the correct job
  • To assist with internal and external auditors for all audits and certifications
  • To maintain proper documentation of IT inventory and develop IT processes and standards
  • To serve as backup role for some of the team functions including database administrator, system administrator, etc
  • Understanding and driving prioritized tasks based on department and company goals
  • The candidate will be required to be on standby with on-call availability including nights, weekends and holidays.

Skills & Experience

  • Diploma or Degree in IT with minimum of three to five full-time years of experience as an IT Infrastructure Engineer in a centralised and distributed enterprise production support environment
  • Recent experience demonstrating a comprehensive knowledge and ability of implementing core system hardware (servers & storage), on-premise & cloud computing infrastructure and operating system solutions
  • Proven experience in technology refresh project management and implementation is a plus
  • Knowledge and experience in managing Windows Server Operating Systems, Active Directory, DNS, CA, backup & recovery solutions, SFTP, HTTP/HTTPS, SSL.
  • Experience in cloud technologies like AWS, Microsoft Azure is a plus
  • Team player with can-do attitude and able to follow instructions. Always engage and work with the team in the design, maintenance, and implementation of systems  
  • Able to work independently with limited supervision
  • Good written and verbal communication skills

Recognition & Reward

What you can expect from us:

•    Work on world-class security projects renowned for their safety, reliability and efficiency
•    Commitment to your ongoing development, including on-the-job opportunities, formal programs and assistance with further education
•    Community volunteering opportunities
•    A competitive remuneration package, featuring performance-based incentives and a medical insurance and dental allowance.
Certis is committed to fostering an inclusive and diverse workforce culture, which is supported by our values. Our aim is to attract, develop and retain a truly diverse and high-performing workforce.