Johannesburg: Systems / Networks Administrator (Ops Specialist) posted by Hire Resolve
Posted on 2025-06-18 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: Financial Advisor posted by Liberty
Do you have a passion for Financial Planning, looking to get into this amazing profession and building up your own professional practice?For more than six...
View Job
Financial Advisor
Johannesburg South: Assistant Accountant / Creditors Manager – URGENT posted by FIRST COOL
DutiesSupervise and coordinate team activities to ensure high service levelsOversee transaction processing in line with established policies and...
View Job
Assistant Accountant / Creditors Manager – URGENT
Johannesburg South: Senior Bookkeeper – Urgently Needed posted by Caterweb
We are a well-known and respected catering equipment supplier. We have an urgent vacancy for an experienced, motivated, energetic, and well-presented...
View Job
Senior Bookkeeper – Urgently Needed
Johannesburg: Chief Information Officer (JB5257) posted by Kontak Recruitment
Chief Information Officer JB5257 Johannesburg, GautengMarket RelatedDuration Permanent We are seeking an experienced Chief Information Officer to lead the...
View Job
Chief Information Officer (JB5257)
Johannesburg: External Sales Representative (JB5258) posted by Kontak Recruitment
External Sales Representative JB5258 Sandton, Johannesburg, GautengR17 500 basic plus commission, company car and phone Category External sales Drive new...
View Job
External Sales Representative (JB5258)
Johannesburg: Finance and Payment Specialist (JB5264) posted by Kontak Recruitment
Finance and Payment Specialist JB5264Remote for applicants living in South Africa Compensation R14 500 per month I 600Category AccountingWe are looking for...
View Job
Finance and Payment Specialist (JB5264)
Johannesburg: Sales Agent posted by Landa’s Hair
Establish and maintain strong relationships with both new and existing clientsUnderstand the specific needs and requirements of their clients. Present and...
View Job
Sales Agent
Johannesburg: Medical Sales Representative – Start 01 June 2025 posted by Innovative Healthcare Solutions
A BSc Biological Life Sciences qualification is a definite prerequisite with excellent communication skills. To call on customers, including pharmacies,...
View Job
Medical Sales Representative – Start 01 June 2025
Johannesburg: Medical Sales Representative – Start 01 June 2025 posted by Innovative Healthcare Solutions
A BSc Biological Life Sciences qualification is a definite prerequisite with excellent communication skills. To call on customers, including pharmacies,...
View Job
Medical Sales Representative – Start 01 June 2025
Johannesburg West: Occupational Health Nurse Practitioner posted by Timbavati Medical Services
THE ROLEOur Johannesburg based outfit, is looking for an experienced Occupational Health Nurse.The ideal candidate will play a key role in promoting health...
View Job
Occupational Health Nurse Practitioner
Johannesburg: Website Project Coordinator (JB5269) posted by Kontak Recruitment
Website Project Coordinator JB5269Remote for applicants living in South AfricaCompensation R30 000 per month, CTC Category Information Technology Digital...
View Job
Website Project Coordinator (JB5269)
Johannesburg: Sales Manager posted by Kontak Recruitment
Sales Manager - Steel Trade and Manufacturing JB5268Johannesburg, GautengR40 000 - R80 000 CTC per month Category Sales Lead business growth in steel...
View Job
Sales Manager
Johannesburg South: Admin Clerk – Credit Control posted by BizGro
A JHB South based Distributor seeks an experienced Credit Controller to join their Team.Skills requirements are Minimum grade 12. A solid understanding...
View Job
Admin Clerk – Credit Control
Johannesburg: Beauty Buyer posted by Kontak Recruitment
Beauty Buyer JB5281 Location Johannesburg, Gauteng Salary R20 000 - 30 000 per month, CTC Employment Type Initial three-month contractOur client is a...
View Job
Beauty Buyer
Johannesburg: Brand Manager posted by Kontak Recruitment
Brand Manager - Beauty JB5282 Location Johannesburg, Gauteng Salary R50 000 - 60 000 per month, CTC Employment Type Initial three-month contractAre you an...
View Job
Brand Manager
Johannesburg: Sales & After Sales Specialist – Capital Equipment posted by The Recruitment Guy
An opportunity for an experienced SALES AFTER SALES SPECIALIST is required for permanent employment based in Johannesburg.To maximize sales to meet monthly...
View Job
Sales & After Sales Specialist – Capital Equipment
Johannesburg West: Front Shop Assistant – Pharmacy (Western Suburbs, JHB) posted by Park Pharmact
We are seeking an experienced and motivated Front Shop Assistant for our retail pharmacy in the Western Suburbs of Johannesburg.Requirements 2-3 years of...
View Job
Front Shop Assistant – Pharmacy (Western Suburbs, JHB)
Johannesburg City: INTERNAL SALES – CALL CENTER posted by Ampax Electrical Pty Ltd
Electrical Wholesaler looking for Internal sales person to do call center sales of electrical hardware linked to construction and electrical. Computer...
View Job
INTERNAL SALES – CALL CENTER
Johannesburg City: SALES REPRESENTATIVE – TRAVELING SALES posted by Ampax Electrical Pty Ltd
Traveling sales agent to visit client stores, mainly outside Gauteng. Experience in electrical hardware sales essential, own transport required Existing...
View Job
SALES REPRESENTATIVE – TRAVELING SALES
Johannesburg West: Front Shop Assistant – PHARMACY (WESTERN SUBURBS, JHB) posted by Park Pharmact
Job Title Front Shop AssistantLocation Western Suburbs, JohannesburgCompany Retail PharmacyAbout the RoleOur busy retail pharmacy, located in the Western...
View Job
Front Shop Assistant – PHARMACY (WESTERN SUBURBS, JHB)
Johannesburg West: Front Shop Assistant – PHARMACY (WESTERN SUBURBS, JHB) posted by Park Pharmact
Join Our Pharmacy Team as a Front Shop Assistant! Western Suburbs, JHBAre you a friendly, energetic person with a passion for helping people? Do you thrive...
View Job
Front Shop Assistant – PHARMACY (WESTERN SUBURBS, JHB)
Johannesburg: General Manager posted by Kontak Recruitment
General Manager JB5283Location Johannesburg South, Gauteng Salary R65 000 - 75 000 CTC, based on experience Employment Type Permanent A well-established...
View Job
General Manager
Johannesburg: Procurement Manager – Capital Equipment posted by The Recruitment Guy
An experienced PROCUREMENT MANAGER is required for permanent employment based in Johannesburg.Responsible for overseeing the procurement process, ensuring...
View Job
Procurement Manager – Capital Equipment
Johannesburg West: Senior Swimming Pool Technician – Urgently Hiring posted by Dolpin Pool Services
Must have 5 years of swimming pool repair experience NO exceptions. Advanced swimming pool tech experience and handyman skills.Knowledge to oversee mosaic...
View Job
Senior Swimming Pool Technician – Urgently Hiring
Johannesburg: Plumber posted by Lets Talk Plumbing and Electrical
Qualified Plumber needed at Lets talk Plumbing Electrical!- PIRB registered.- Qualified Red Seal or Trade Test- Min 10 years experience- Drivers...
View Job
Plumber