Security Systems Administrator

Astreya; Uusimaa; In loco; EUR 65.000 - 90.000; Tempo pieno

Descrizione del lavoro

Astreya is seeking a Security Systems Administrator to own and operate our global physical security platforms, including CCTV/VMS, access control, and key management, across data centers and edge sites.

The role combines hands-on system administration with networking and storage, Windows Server operations, and collaboration with Security Engineering, Facilities, and DC Operations to keep systems reliable and secure.

Competenze

• 5+ years in a Systems/Infrastructure Ops role; data center experience preferred.
• Strong Windows Server administration: troubleshooting, patching, hardening.
• Hands-on with VMS/CCTV, access control systems.
• Solid cross-layer troubleshooting: logs, services, connectivity.
• Networking basics: IP, VLANs, DNS, routing, firewalls.
• Excellent documentation, change control, and incident response practices.
• Strong communication and collaboration in cross-functional teams.

Mansioni

• Administer CCTV/VMS and access control platforms (Genetec, Lenel, Traka).
• Maintain Windows Server, patching, backups, hardening, health monitoring.
• Tier 2 incident troubleshooting for security platforms and infra.
• Coordinate break-fix with local site technicians.
• Network troubleshooting for security systems (VLANs, routing, firewalls).
• Support virtualization (VMware/vSphere).
• Manage storage for video retention (PowerScale/OneFS; Pure Storage a plus).
• Apply upgrades, firmware updates, cert renewals, standardization.
• Maintain runbooks, diagrams, inventories, and change records.
• Suggest improvements via automation or monitoring; advise internal partners.

Conoscenze

Systems Administration

Security Systems Administration

Infrastructure Operations

Windows Server

Troubleshooting

Networking fundamentals

Documentation & change control

Collaboration

Strumenti

VMware vSphere

VMware Cloud Foundation

Dell PowerScale

OneFS

Pure Storage

Ansible

Python

PowerShell

Descrizione del lavoro

The Security Systems Administrator is responsible for the day-to-day administration,

maintenance, and support of our global physical security systems and the infrastructure that

runs them. This role blends hands-on ownership of CCTV/VMS, Access Control, and Key

Management platforms with core systems administration across Windows Server, virtualization,

networking, and storage.

You will work closely with Security Engineering/Security DevOps, local technicians, and facility

stakeholders to keep systems reliable, secure, and consistently deployed across data centers

and edge sites. This is an operations-focused role with strong technical depth, clear ownership,

and high impact.

Key Responsibilities

• Administer and support physical security platforms including video management/CCTV (Genetec, Avigilon), access control (Lenel, Genetec), and key management (Traka).
• Maintain and operate the supporting server infrastructure including Windows Server, services, patching, backups, hardening, and health monitoring.
• Perform Tier 2 troubleshooting for incidents impacting security platforms and infrastructure, including log review, root cause isolation, and coordination of remediation.
• Partner with local site technicians on break-fix execution, validating outcomes and restoring service quickly and safely.
• Perform basic-to-intermediate network troubleshooting supporting security systems, including VLAN/IP troubleshooting, routing/firewall dependency identification, and packet-level checks when needed.
• Support virtualization operations where security systems are hosted, including VMware/vSphere (and exposure to VMware Cloud Foundation where applicable).
• Support storage operations that enable video retention and system performance, including SMB/NFS fundamentals, capacity monitoring, and performance troubleshooting (PowerScale/OneFS or Pure Storage experience is a plus).
• Execute routine maintenance and lifecycle work such as upgrades, firmware/software updates, certificate renewals (where applicable), configuration standardization, and vulnerability remediation.
• Maintain accurate documentation and operational artifacts including runbooks, diagrams, inventories, and incident/change records.
• Contribute to continuous improvement by identifying recurring issues and proposing fixes through standardization, automation, or monitoring enhancements.
• Provide guidance and support to internal partners (Security, Facilities, DC Operations) on platform capabilities, limitations, and operational best practices.

Required Skills & Qualifications

• 5+ years of experience in a Systems Administrator, Security Systems Administrator, or Infrastructure Operations role (data center or critical environment experience preferred).
• Strong experience administering Windows Server environments, including troubleshooting, patching, service management, and operational hardening.
• Hands-on experience supporting physical security systems such as VMS/CCTV, access control,
• Solid troubleshooting ability across systems and infrastructure layers, including logs, services, connectivity, and performance bottlenecks.
• Working knowledge of networking fundamentals (IP addressing, VLANs, DNS, routing basics, firewall dependencies, and troubleshooting workflows).
• Strong operational discipline with documentation, change control, and incident response practices.
• Strong communication and collaboration skills, especially in cross-functional environments.

Nice to Have

• Virtualization experience with VMware vSphere; familiarity with VMware Cloud Foundation is
• Storage platform familiarity, especially large-scale video retention and NAS concepts; Dell PowerScale/OneFS or Pure Storage is a plus.
• Scripting/automation experience (Ansible preferred; Python/Powershell also valuable) for operational tasks and repeatability.
• Familiarity with monitoring/alerting practices (health checks, metrics, dashboards, log-based troubleshooting).
• Certifications such as Microsoft/VMware, Security+, Network+, or ITIL (helpful but not