Sr Systems Engineer

21 DexCom Malaysia Sdn Bhd; Penang; On-site; MYR 120,000 - 180,000; Full time

Benefits offered by this job

CGM technology access

Comprehensive benefits

Global career growth

Tuition reimbursement

Job summary

Dexcom Malaysia Sdn Bhd is hiring an IT Senior Systems Engineer to support our on‑prem and cloud infrastructure. You will manage AD, Azure AD, and MS365 services while implementing IAM, SSO, and security controls for a global environment.

Qualified candidates have 5–8 years in IT systems administration, strong Windows Server expertise, and scripting (PowerShell). This full‑time role requires on‑site work with occasional travel and offers growth across Dexcom’s CGM technology platform.

Qualifications

• Typically requires a Bachelor’s degree in Computer Science, Information Systems, or equivalent.
• 5–8 years of related experience in IT systems administration or similar roles.
• Experience with Microsoft infrastructure and cloud integrations.

Responsibilities

• Maintain and support Microsoft Active Directory, DNS, Domain Controllers, and Group Policy.
• Maintain and support Microsoft 365 applications including Exchange Online, Teams, SharePoint, and OneDrive.
• Manage SSO/MFA/IAM platforms such as OKTA, AD.
• Install, maintain, upgrade Windows servers, OS, networking and related apps.
• Ensure system security, access control, audits, and compliance with policies.

Skills

Active Directory

Azure AD

Microsoft365

OKTA

SSO/MFA/IAM

Windows Server

PowerShell

Change Control

TCP/IP

Security

Education

Bachelor’s degree in Computer Science / Information Systems

Tools

None

Job description

The Company Dexcom Corporation (NASDAQ DXCM) is a pioneer and global leader in continuous glucose monitoring (CGM). Dexcom began as a small company with a big dream: To forever change how diabetes is managed. To unlock information and insights that drive better health outcomes. Here we are 25 years later, having pioneered an industry. And we're just getting started. We are broadening our vision beyond diabetes to empower people to take control of health. That means personalized, actionable insights aimed at solving important health challenges. To continue what we've started: Improving human health. We are driven by thousands of ambitious, passionate people worldwide who are willing to fight like warriors to earn the trust of our customers by listening, serving with integrity, thinking big, and being dependable. We've already changed millions of lives and we're ready to change millions more. Our future ambition is to become a leading consumer health technology company while continuing to develop solutions for serious health conditions. We'll get there by constantly reinventing unique biosensing-technology experiences. Though we've come a long way from our small company days, our dreams are bigger than ever. The opportunity to improve health on a global scale stands before us.

Opportunity

The IT Senior Systems Engineer will be a member of the IT Core Services team focusing on Active Directory, Microsoft365 Applications, and other core services systems. Using experience with Microsoft-based technologies to support our on-prem and cloud infrastructure and respond to end-user requests. The IT Systems Administrator will be responsible for installation, configuration, maintenance, uptime, troubleshooting and support of our IT systems to ensure reliable performance that meets Dexcom’s growing, global demands.

Where you come in

• You maintain and Support Microsoft Active Directory Infrastructure, including DNS, Domain Controllers and Group Policy management.
• You maintain and Support Microsoft365 Applications, including Exchange Online, Teams, SharePoint, and OneDrive.
• You maintain and Support SSO/MFA/IAM platforms like OKTA, AD.
• You install, Maintain, Upgrade and Support Windows Servers, Operating Systems, Networking and Applications that are part of our Microsoft Infrastructure.
• You implement, install, and deploy hardware/software enhancements to support Enterprise systems and services.
• You ensure the monitoring of system/network services and respond to any issues that may impact system uptime.
• Participate in On Call rotation for systems support.
• You manage system security, configure user access and permissions, and plan for system growth.
• You compile and maintain KPIs for system performance and recommend efficiency improvements.
• You generate reports and gather evidence as needed for internal audits and investigations.
• You ensure compliance with existing policies and procedures pertaining to Sarbanes-Oxley, FDA and HIPAA regulations.

What makes you successful

• You have strong experience with Microsoft Infrastructure, Active Directory, Azure AD and Microsoft365 Applications.
• You have previous work experience as an IT Systems Administrator is required.
• You understand of Exchange Online Messaging, Mailbox Management and Retention Policies.
• You have detailed knowledge of Windows server configuration, deployment, and maintenance.
• You have ability to create PowerShell scripts for Automation tasks is highly desirable.
• You have experience is formulating, implementing, and adhering to Change Control Processes and Procedures.
• You familiar with OKTA, SSO, MFA, IAM, AD Design/Planning and Management, and TCP/IP principles is preferred.
• You have familiarity with modern operating systems and server platforms.
• You have knowledge of network security systems, intrusion detection systems, and data backup.
• You can demonstrate strong initiative and follow through.
• Strong project management skills.

What you’ll get

• A front row seat to life changing CGM technology.
• Learn about our brave #dexcomwarriors community.
• A full and comprehensive benefits program.
• Growth opportunities on a global scale.
• Access to career development through in-house learning programs and/or qualified tuition reimbursement.
• An exciting and innovative, industry-leading organization committed to our employees, customers, and the communities we serve.

Travel Required: 0-15%

Experience and Education Requirements

Typically requires a Bachelor’s degree in Computer Science, Information Systems, or equivalent, and a minimum of 5 – 8 years of related experience

Since 1999, Dexcom has simplified and revolutionized diabetes management, positively impacting millions worldwide. At Dexcom, we're more than just a medical device company; we're a collective of visionary thinkers, trailblazers, and problem solvers. Our mission transcends the ordinary. We aim to revolutionize healthcare, one groundbreaking technology at a time.