Senior Systems / Networks Administrator (Ops Specialist)

Responsibilities:

• Linux Systems Administration
o Expert–level administration of Debian–based distributions (Ubuntu) and RedHat derivatives (Alma, Rocky).
o Provisioning and configuring servers, clusters, laptops, and other devices via the CLI.
o Installation and configuration of LOB (Line–of–Business) applications manually—config files (YAML, JSON).
o Monitoring and troubleshooting system performance, processes, and logs to ensure smooth operations.
o Participating in interviews and tests focused on troubleshooting system issues based on log output and process analysis.

• Windows Systems Administration
o Managing and supporting Windows servers in a range of functions, including Active Directory (AD/LDAP), DHCP, DNS, NPS, Certificate Services, IIS, and Hyper–V.
o Knowledge of IIS modules (Dot Net, ASP, WebSockets).
o Providing user desktop support and managing Windows-based file servers.
o Taking ownership of Windows Server maintenance and administration tasks

• Networking
o Working in environments with Core/Distribution/Access-switching topologies, high- throughput aggregation switches, and edge/access switches (Edgecore, MikroTik, UniFi, D-Link).
o Managing VLANs, implementing modern tunneling technologies such as ZeroTier and WireGuard, and being well-versed in iptables/nftables, firewalld, and network bonding techniques.
o Hands-on configuration and troubleshooting of FortiGate, MikroTik, pfSense, and other similar systems.
o Maintaining network performance and ensuring uptime for critical services.
o Knowledge of monitoring applications such as Zabbix, Nagios, Data Dog and New Relic.
o IPAM/DCIM experience essential.

• Database Support
o Providing basic support for Postgres, Oracle, and MariaDB environments (backups, restores, and minor SQL queries).
o OracleDB knowledge advantageous, including the use of Oracle Data Pump and TNS Listener troubleshooting.
o Collaborating with DBA teams to ensure database availability and performance.

• Server Hardware & Storage Administration
o Manage SAN, NAS, DAS, LVM, and LUN infrastructures. From setting up and configuring HPE SAN systems to managing Synology, Seagate NAS and FreeNAS devices.
o Perform tasks such as HBA bonding, SCSI configuration, and storage performance optimization.
o Server hardware – assembly/upgrades and troubleshooting
o RAID and other HA methods, including setup and best practice configurations.
o Veeam Backup and Quest NetVault experience advantageous.
o Familiarity with LTO-tape technology and how it works and is used will be advantageous.

• Virtualization & Cluster Management
o Administering Xen-based hypervisor clusters (XCP/Xen Hypervisors) and Hyper-V environments.
o Deploying, maintaining, and troubleshooting virtualized environments.
o Managing cluster performance, failover, and storage integration.
o Past hands-on experience with Hyper-V clusters and VMWare vSphere advantageous.
o Knowledge of Docker, Kubernetes, and containerization technologies is advantageous.

• Office Administration & Soft Skills
o Implementing ITIL-based best practices (ITSM).
o Managing assets (ITAM), including hardware procurement, supplier negotiation, warranties, and SLAs.
o Familiarity with JIRA and Confluence is advantageous.

Requirements: 

• Bachelor’s degree in Computer Information Systems, Management Information Systems, or a similar field.

• Extensive experience in technical management, preferably within a related industry.

• Advanced knowledge of IT infrastructure, information systems innovation, and integration.

• Full understanding of the IT Software Development Life Cycle (SDLC).

• Experience with server installation, maintenance, and monitoring.

• Familiarity with database management best practices, design, theories, and queries.

• Knowledge of database structure languages (e.g., SQL, SQL/PSM).

• Ability to collaborate with data architects and IT specialists to set up, maintain, and monitor data networks.

• Proficiency in diagnosing faults, incidents, and problems and implementing effective changes.

• Experience with ITIL and AGILE methodologies is advantageous 

Certifications: 

• A+ & Network+

• MTCNA

• ICND1

• UBWA

• Linux+ / LPIC-1

• Server+

• MCSA: Windows Server 2016 (or nearest equivalent)

Certifications: 

• LPIC-2

• MCITP

• MTCRE

• CCNA

• MCSE: Core Infrastructure

• ITILv4

• Security+