Core Systems System Administrator - Singapore

Overview

Administer and secure Windows/Linux servers and security systems.

Key Responsibilities

• server management
• system monitoring
• production support
• security management
• playbook documentation
• access control

Tasks

-Installation, configuration, maintenance, and support of physical and cloud-based Windows and Linux servers. -Monitoring operational systems for errors and alerts. -Maintaining production systems, software, hardware, and end devices. -Apply general rules to specific problems to produce answers that make sense. -Ensuring the security, integrity, and availability of systems. -Document daily functions and troubleshooting process to create and revise playbooks. -Identify and understand the speech of another person. -Troubleshooting, adding, configuring, and removing various technologies related to access control, intrusion detection, emergency, video, and other security systems. -Reach by extending hands or arms in any direction.

Requirements

• windows patching
• networking
• access control
• ms excel
• active directory
• security+

What You Bring

-Demonstrated time management and organization skills to meet deadlines and quality objectives. -Requires the ability to work flexible shifts that include nights, weekends and holidays as needed. -Demonstrated understanding of Windows patching and vulnerability remediation. -Required time in the office 3 days/week. Some surge support may be required during peak operational periods. This may require extended hours or weekend support. -Have finger dexterity in order to manipulate objects with fingers rather than whole hands or arms, for example, using a keyboard. -Basic knowledge of large-scale networking, VLANS and routing. -Requires 2 + years of experience programming/administrating Physical Access Control Systems. -Proficient in MS Excel, Word, Visio, and PowerPoint. -Bachelor's Degree and 5+ Years of progressive experience or -Demonstrated previous experience effectively managing small teams. -Open and transparent communication with senior leadership as well as local office management. -Requires system administrator experience in performing triage on system problems, resolving the system problems, analyzing system data to prevent problems, implementing new workstations, and system extensions. -Demonstrated advanced knowledge of Windows active directory hierarchy and implementation. -Associates Degree and 8+ Years of progressive experience or -Requires minimum of Security + Certification, CASP, or CISSP certification. -Read and understand information and ideas presented in writing. -Requires reliable attendance at customer site during work hours required by customer. -Listen to and understand information and ideas presented through spoken words and sentences. -HS Diploma or Equivalent and 10+ Years of progressive experience -Exposure to computer screens for an extended period of time. -Demonstrated background working with multidisciplinary teams. -Communicate information and ideas in speaking so others will understand.

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Benefits

-Up to 25% annual, CONUS and OCONUS locations. -An opportunity to lead and build a business with the support of an industry-leading firm that has been in business for 75 years. -Investment in your skills and expertise through a combination of professional and technical training programs, including leadership training and tuition reimbursement.

About M.C. Dean, Inc.

-Evolved from traditional electrical contracting to pioneering cyber‑physical integration. -Crafts complex systems for data centers, hospitals, government, and industrial plants. -Specializes in Infrastructure and Energy sectors, delivering resilient, integrated systems. -Typical work spans power delivery, automation, security, telecom, life‑safety, AV, and IT systems. -Supports clients with systems integration expertise across more than 30 offices globally. -Notable projects include mission-critical facilities requiring 24/7 uptime and advanced cyber‑physical innovation.

Sector Specialisms