System Administrator 2 - Sydney, Australia

Overview
About M.C. Dean
M.C. Dean is Building Intelligence®. We design, build, operate, and maintain cyber-physical solutions for the nation's most mission-critical facilities, secure environments, complex infrastructure, and global enterprises. With over 9,000 employees, our capabilities span electrical, electronic security, telecommunications, life safety, automation and controls, audiovisual, and IT systems. Headquarters in Tysons, Virginia, M.C. Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.
Why Join Us?
Our people are passionate about engineering innovation that improves lives and drives impactful change. Guided by our core values-agility, expertise, and trust-we foster a team-oriented and forward-thinking work environment. At M.C. Dean, we are committed to building the next generation of technical leaders in electrical, engineering, and cybersecurity industries.
We are seeking a System Administrator 2 to join our Security and Electronic Systems (SES) business Unit. As part of (SES) Strategic Business Unit you will be part of a team that designs, engineers, integrates, operates and maintains electronic security services inclusive of intrusion detection, access control, biometric authentication, video surveillance, audio visual, it systems, perimeter defense and command and control systems for federal, local and commercial customers across high-growth markets.

- In this role you will be responsible for monitoring, maintaining and testing of Physical Access Control, CCTV, PSIM and Integrated Electronic Systems.
- Candidate must have flexibility in schedule, neat in appearance, able to communicate professionally with customers and coworkers.
- Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success in this role.




- Manage physical security system support to meet service level agreements.
- Analyze physical security system performance and recommend improvements.
- Resolve complex system issues for physical security systems and networks.
- Triage customer support calls, providing Tier 1 help desk support and Tier 2 escalation.
- Communicate with customers, manufacturers, vendors, and technical specialists.
- Train system users and other system support personnel.
- Analyze and modify preventive maintenance checklists for system changes.
- Troubleshoot system performance issues and implement corrective actions.
- Perform preventive maintenance actions including system back‑ups, error log reviews, database size, and integrity checks.
- Organize and prepare detailed documentation of system performance, including service request records and analysis.
- Perform desktop hardware and operating system set‑up, imaging software loading, and antivirus updates.
- Perform all duties with minimal direct supervision.

Education:

- 2+ Years of Experience with a Bachelor's Degree in Information Technology, Risk Management, Cybersecurity preferred.
- 6+ Years of Experience with an Associate's Degree in Information Technology, Risk Management, Cybersecurity preferred.
- 8+ Years of Experience with a High School Diploma.

Required Progressive Experience:

- 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.
- Requires an understanding of Windows patching and vulnerability remediation.
- Requires a basic knowledge of Windows active directory hierarchy and implementation.
- Requires a basic knowledge of large scale networking, VLANS and routing.
- Requires reliable attendance at customer site during work hours required by customer.
- Requires the ability to work flexible shifts that include nights, weekends, holidays and on call as needed.

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