Senior Systems / Networks Administrator (Ops Specialist) at Hire Resolve

Job Description

• A leading Software Development company is looking for a Senior Systems / Networks Administrator (Ops Specialist) tjoin their team in Irene, GP. The ideal candidate will have extensive hands-on experience with both Linux and Windows environments, advanced networking, virtualization, storage solutions, and system clusters. This role demands technical expertise, a strong troubleshooting mindset, and the ability twork independently with minimal supervision. Attention tdetail is essential, along with a holistic understanding of all interconnected components.

Responsibilities:

Linux Systems Administration

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

Windows Systems Administration

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

Networking

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

Database Support

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

Server Hardware & Storage Administration

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

Virtualization & Cluster Management

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

Office Administration & Soft Skills

• Implementing ITIL-based best practices (ITSM).
• Managing assets (ITAM), including hardware procurement, supplier negotiation, warranties, and SLAs.
• 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 tcollaborate with data architects and IT specialists tset 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+