Johannesburg: Systems / Networks Administrator (Ops Specialist) posted by Hire Resolve
Posted on 2025-07-27 00:00:00
Employer | Hire Resolve |
---|---|
Category | Other IT/Computer |
Location | Gauteng / Johannesburg |
Job Summary
their team in Centurion, EC. 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 to work independently with minimal supervision. Attention to detail 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 manuallyconfig files (YAML, JSON).
-
Monitoring and troubleshooting system performance, processes, and logs to ensure 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/ip6tables, 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, DataDog, 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 to ensure database availability and performance.
Server Hardware & Storage Administration
-
Manage SAN, NAS, DAS, LVM, and LUN infrastructures. From setting up and configuring HPE SAN systems to managing 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.
-
Experience collaborating with interdepartmental teams, such as Finance and Audit.
-
Strong English communication skills, both written and verbal, with professional email etiquette.
-
Writing of support and training documentation.
-
Strong troubleshooting and analytical abilities.
-
Ability to work independently and unsupervised, manage multiple priorities in a fast-paced environment.
-
Eagerness to learn new technologies and systems, be curious!
Requirements:
-
A bachelor’s degree in computer information systems, management information systems, or similar.
-
Certifications: A+ & N+, MTCNA, ICND1, UBWA, Linux+/LPIC1, Server+, MCSA: Windows Server 2016or the nearest equivalent of the aforementioned.
Desired Certifications:
LPIC2, MCITP, MTCRE, CCNA, MCSE: Core Infrastructure, ITILv4, Security+.
-
Extensive experience in technical management, preferably in a related industry.
-
Advanced knowledge of IT Infrastructure and Information Systems innovation and integration.
-
Ability to manage IT support teams.
-
Familiarity with database queries.
-
Knowledge of database design and theories.
-
Ability to work with data architects and other IT specialists to set up, maintain, and monitor data networks.
-
Knowledge of database structure languages, such as SQL or SQL/PSM.
-
Experience with server installation and maintenance.
-
Familiarity with database management best practices.
-
Has a full understanding of the IT SDLC.
-
Experience in ITIL and AGILE Methodologies advantageous.
-
Ability to diagnose faults, incidents, and problems, and implement required changes.
-
Ensuring optimal hardware and software functionality, as well as network security.
-
Exceptional communication and interpersonal skills.
If you are looking for career advancement and new environments, kindly forward your CV to Gaby Turner *****@*****.co.za or you may forward your CV to *****@*****.co.za
Click Go Apply to apply online!
Get Similar Job Alerts
More jobs in Johannesburg
More jobs in Gauteng
Browse Other IT/Computer Jobs
Browse Hire Resolve Jobs
Apply directly for this position. Please read all instructions carefully.
We do not process job applications; we simply aggregate and display job listings.
More related positions
Johannesburg: Audit Senior (JB5324) posted by Kontak Recruitment
Audit Senior JB5324 Linden, Johannesburg Office-based with travel to clientsR23 000 R30 000 CTC per monthPermanent A well-established firm seeks an Audit...
View Job
Audit Senior (JB5324)
Johannesburg: External Sales Representative – Automotive (JB5322) posted by Kontak Recruitment
External Sales Representative Automotive JB5322Johannesburg, GautengR15 000 basic Uncapped Commission Cell Allowance Fuel ReimbursementPermanentChase new...
View Job
External Sales Representative – Automotive (JB5322)
Johannesburg: Angular Developer (JB5328) posted by Kontak Recruitment
Angular Developer JB5328Rosebank, Johannesburg, Gauteng Compensation R60 000 - R100 000 per month Category Information TechnologyAre you a sharp,...
View Job
Angular Developer (JB5328)
Johannesburg North: Groups and Incentives Operations Consultant posted by Executive Placings
Leading Inbound Tour Company is looking for a Groups and Incentives Operations Consultant. This role is based in Sandton.Experience requiredMinimum of 4 5...
View Job
Groups and Incentives Operations Consultant
Johannesburg: eCommerce Manager (JB5329) posted by Kontak Recruitment
eCommerce Manager JB5329 Houghton, Gauteng R30 000 to R40 000 a month CTCPermanentA leading retail group is looking for an experienced and dynamic Ecommerce...
View Job
eCommerce Manager (JB5329)
Johannesburg South: Marketing Manager posted by BizGro
A leading Commercial Kitchen Supplier seeks an experienced qualified Marketing Manager to join their Team, based in Johannesburg South.Qualified ...
View Job
Marketing Manager
Johannesburg North: Sales Rep – Urgently needed posted by WE -Nuts
We are looking for preferably qualified female sales assistants brand representatives to start immediately for WE-Nuts in Johannesburg North Area.Kindly...
View Job
Sales Rep – Urgently needed
Johannesburg: External Account Manager – IT posted by Kontak Recruitment
External Account Manager - IT JB5336Rivonia, GautengMarket Related, plus commissionDuration PermanentAn exciting opportunity exists for a skilled External...
View Job
External Account Manager – IT
Johannesburg South: CNC Lathe Operator – Start Immediately posted by Novatek
CNC Lathe OperatorNovatek Drills Pty Ltd, a leading company in the manufacturing and sales of mining equipment situated in Robertsham, Johannesburg South,...
View Job
CNC Lathe Operator – Start Immediately
Johannesburg City: Plumber / Driver posted by Nivroc Building Contractors
We require an experienced PlumberDriver with a minimum of 3years of experience in driving and plumbing.Must be able to install electric and solar geysers...
View Job
Plumber / Driver
Johannesburg: Automotive Technician – Urgent posted by Bonafide Human Capital
Our Passenger dealer client based in Northcliff is looking to employ a qualified Technician.This position will be suited to an experienced person who can...
View Job
Automotive Technician – Urgent
Johannesburg: Customer Service Internship – Urgently needed posted by Sivuka Youth
Sivuka Youth is excited to share a Customer Service Internship opportunity, specifically designed for young graduates in South African living with...
View Job
Customer Service Internship – Urgently needed
Johannesburg City: Full-Stack Web Developer – JB5345 posted by Kontak Recruitment
Full-Stack Web Developer JB5345Fully Remote South Africa onlyR40 000 R60 000 CTC per monthPermanentA UK-based investment firm is hiring a Full-Stack Web...
View Job
Full-Stack Web Developer – JB5345
Johannesburg: IT Sales Agent posted by Cora O’Neil Recruitment Agency
Lyndhurst, Jhb IT SALES AGENT Minimum Requirements-Presentable born South African -Fully bilingual in with excellent English proficiency Afrikaans...
View Job
IT Sales Agent
Johannesburg North: Recruitment Consultant – Sales & Talent Solutions posted by Vertex Talent Acquisition
Vertex Talent Acquisition is a premier recruitment agency connecting exceptional talent with forward-thinking organizations globally. As a trusted...
View Job
Recruitment Consultant – Sales & Talent Solutions
Johannesburg City: Vending Machine Attendant – Urgently Needed posted by Always Open
We are looking for a reliable, hardworking Vending Machine Attendant to join our growing team. This role is physically demanding and requires strong time...
View Job
Vending Machine Attendant – Urgently Needed
Johannesburg: Relief Travel Specialist
A Leading Inbound Destination Management Company is recruiting Relief Travel Specialists. The candidates need to be senior and able to assist in all...
View Job
Relief Travel Specialist
Johannesburg North: Chartered Accountant – Statutory Reporting – Insurance /Reinsurance required posted by Moving Heads
My client is an established Insurance Company, looking for A CA with 2-3 years relevant experience and exposure to IFRS 17, SAM solvency consolidated...
View Job
Chartered Accountant – Statutory Reporting – Insurance /Reinsurance required
Johannesburg: Accountant (SAIPA) posted by Moving Heads
My client, a progressive capital Investments company based in Johannesburg North, is seeking an accountant with 5 years of experience in the full accounting...
View Job
Accountant (SAIPA)
Johannesburg North: Personal Assistant – PA – URGENTLY NEEDED posted by Corporate Dealership Placements – JHB
Personal Assistant to Franchise Director R Negotiable NorthMatric, with normal PA duties. Must be very presentable, well spoken with PA experience at...
View Job
Personal Assistant – PA – URGENTLY NEEDED
Johannesburg North: Dealer Principal – DP posted by Corporate Dealership Placements – JHB
Dealer Principal R Negotiable NorthMust currently be a DP at a motor dealership, preferably someone from a volume dealership. Complete running of the...
View Job
Dealer Principal – DP
Johannesburg North: New Car Sales Manager – URGENTLY NEEDED posted by Corporate Dealership Placements – JHB
New Car Sales Manager R 35000 - R40000 NorthOur client is looking for a top new car sales manager for Chery Omoda Jaecoo.Must have Matric, with volume...
View Job
New Car Sales Manager – URGENTLY NEEDED
Johannesburg North: Group Technology Officer posted by Corporate Dealership Placements – JHB
Group Technology Officer R75 000 R100 000 per month depending on structure and experience Johannesburg NorthBachelor degree or equivalent is essential in...
View Job
Group Technology Officer
Johannesburg City: ITIL SUPPORT ENGINEER posted by DSS Destiny
IT - SUPPORT ENGINEERMust have ITIL certification with at least 3 years of experience.
View Job
ITIL SUPPORT ENGINEER