System Administrator – Sydney

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.

Dean delivers resilient, secure, and innovative power and technology solutions through engineering expertise and smart systems integration.

Responsibilities

In this role you will be responsible for monitoring, maintaining and testing Physical Access Control, CCTV, PSIM, and Integrated Electronic Systems.

Candidates must have flexibility in schedule, presentable appearance, and professional communication.

• Punctuality, attendance, a willingness to learn, and an ability to work well with others are key to success.
• 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.

Qualifications

Education and Experience

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

Required progressive experience

• System administrator experience performing triage on system problems, resolving system issues, analyzing system data to prevent problems, implementing new workstations, and system extensions.
• Knowledge of Windows patching and vulnerability remediation.
• Basic knowledge of Windows Active Directory hierarchy and implementation.
• Basic knowledge of large‑scale networking, VLANs, and routing.
• Reliable attendance at customer site during work hours required by customer.
• Ability to work flexible shifts that include nights, weekends, holidays, and on‑call as needed.

What We Offer

• A collaborative team inspired by engineering and innovation to enhance customer outcomes, improve lives, and change the world for the better.

We are driven by our core values of agility, expertise, and trust.

• 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.
• Open and transparent communication with senior leadership as well as local office management.
• Abilities
• Exposure to computer screens for an extended period of time.
• Sitting for extended periods of time.
• Reach by extending hands or arms in any direction.
• Have finger dexterity to manipulate objects with fingers rather than whole hands or arms, e. g., using a keyboard.
• Listen to and understand information and ideas presented through spoken words and sentences.
• Communicate information and ideas in speaking so others will understand.
• Read and understand information and ideas presented in writing.
• Apply general rules to specific problems to produce answers that make sense.
• Identify and understand the speech of another person.
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