Senior Systems Administrator
AI summary
Nestoil Plc is hiring a Senior Systems Administrator in Lagos to lead ICT operations, manage Microsoft M365, VDI, Active Directory, backup infrastructure, and enterprise network systems. The role requires a bachelor's degree in IT or a related field and at least four years of experience.
- Senior-level ICT operations role reporting to Head, ICT Systems
- Hands-on work with Microsoft M365, VDI, Active Directory, and Veeam backup
- Bachelor's degree in IT or related field required
- Minimum 4 years of experience needed
- Full-time position based in Lagos
AI job guide
Use this guide to check salary signals, requirements, documents, application steps and safety before you apply.
AI salary guide
Not enough public dataNot enough public salary data is available for this exact role. Before applying, prepare to ask about gross pay, benefits, contract length, probation period, transport and any allowances.
Can you qualify for this role?
- Required4+ years of relevant experienceThe job post includes a minimum experience signal.
- RequiredEducation or certification mentioned in the postThe captured text mentions education, a diploma, certificate, or licence.
- PreferredPractical evidence in security, internship, entregadorThe tags and summary point to skills connected with this role.
- RequiredAvailability to work in Not specifiedThe vacancy is associated with this location.
- UnclearComfort with the Full Time contract termsConfirm hours, duration, probation and benefits at the original source.
Documents to prepare
- Likely requiredUpdated CV
- Role specificCover letter or short employer message
- OptionalProfessional references
- Role specificAcademic or professional certificates
- VerifyID or passport only after verifying the employer
Application tips for this job
- Place your strongest Senior Systems Administrator evidence in the first half of your CV.
- In your cover letter or employer message, connect your experience to Nestoil Plc and the role in Not specified.
- Add concrete examples related to security, internship, entregador, ideally with measurable outcomes or clear responsibilities.
- Follow the instructions from MyJobMag Nigeria; avoid sending documents to unofficial contacts or copied links.
- Confirm the deadline, interview location and employer contact before sharing personal documents.
- Prepare a polite question about pay, benefits and contract terms for later interview stages.
Source and safety check
- MyJobMag Nigeria
- Original source link available
- Application method is clear
- Deadline not specified
- No major risk signal was detected in the captured text.
Never pay for interviews, shortlisting, medical checks, uniforms, or job placement. Confirm every application at the original source before sharing personal documents. Report suspicious listing.
Interview preparation
- What experience makes you a strong fit for this Senior Systems Administrator role in security, internship?
- How have you handled responsibilities similar to those in this job post?
- Are you available to work in Not specified under the listed contract or schedule?
- Prepare examples with clear responsibilities, tools used and measurable outcomes.
- Review the source and research Nestoil Plc before the interview.
Ask what the first priorities will be in the role and how success will be measured.
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Original source description
Nestoil Plc was incorporated in Nigeria in 1991 for the provision of Engineering, Procurement and Construction (EPC) services to the energy and oil & gas industry. Since then, Nestoil has grown to become the leading indigenous EPC provider for major IOCs (International Oil Companies) in Sub-Saharan Africa like National Petroleum Company (NNPC) Shell, Exx... Senior Systems Administrator Job Type Full Time Qualification BA/BSc/HND Experience: 4 years Location Lagos Job Field ICT / Computer The Senior Systems Administrator will be responsible for resolving escalated service issues, coaching other administrators to resolve, engineering and implementing complex projects, and maintaining and overseeing data center infrastructure. This role is a key position within ICT operations and will be called upon to resolve higher levels of technical issues on Microsoft and other data center technologies, including end-user computer environment protection. Reports To: Head, ICT Systems Direct Reports: Administrators Internal Relationships: All Users External Relationships: Vendors Responsibilities: Management of Microsoft M365 including all communication and collaboration services offered under it, including Teams, Exchange E-mail, SharePoint, etc. Device management and enrollment. Device compliance and configuration. Conditional Access. Mobile Application Management. DLP policies. Identify security risks within the Office 365 environment and services and suggest mitigations. Support hybrid Microsoft environments. Investigate and analyze resource utilization and prepare reports. Optimize network infrastructure to maintain the highest possible level of performance and security. Plan the replacement of obsolete resources that make up the enterprise network infrastructure. Build, support and maintain the VDI environment, including standardized templates, application delivery methods, enterprise antivirus, persona management infrastructure, host servers and zero clients. Build, support and maintain the configuration management suite, including multiple Windows Enterprise desktop images (WIMs), automated task sequences, automated backup infrastructure, central imaging environment, automated software deployment and patch management updates. Manage and support Veeam cloud/on-prem backup infrastructure. Build, support and maintain Active Directory Group Policy Objects used to secure and configure the enterprise client-computing infrastructure. Build, support and maintain role-based access control for enterprise computing solutions, including VDI, endpoint management suite and Print/Scan solutions. Build, support and maintain support documents, standard operating procedures and policies related to network, security systems, server and storage infrastructure, and client-computing infrastructure. Work with application developers and third-party vendors to develop software or virtualized installation packages for network deployment via the Enterprise configuration management suite. Build, support and maintain enterprise network, servers and storage infrastructure, both virtual and physical, using routine commands, administration techniques, tools and utilities. Build, support and maintain Microsoft and Linux infrastructure for the enterprise. Build, support and maintain protection of company data and systems through security solutions, backups, redundancy and disaster recovery solutions. Manage the asset lifecycle process through planning and forecasting, including recommendations for replacement of obsolete or end-of-life resources. Interact with external vendors to evaluate technology changes, including licensing and contracts, and their impact on the business. Investigate and analyze resource utilization and prepare reports and metrics, making appropriate changes to optimize infrastructure and provide the highest possible level of performance and security. Person Specifications Academic Qualification Bachelor’s degree in Information Technology or related discipline. Professional Qualifications Microsoft Azure Administrator Microsoft 365 Security Administrator Microsoft Azure Security Engineer ITIL Foundation Experience: Minimum of 4 years of experience: in Windows systems installation, operations, administration and maintenance of physical and virtualized servers. Experience: managing Windows Server OS and domain architecture, including Active Directory, DNS/DHCP, Microsoft Exchange, Certificate Services, GPOs, policies and permissions. Extensive knowledge of Windows PowerShell, standard utilities and common Windows security tools. Technical Knowledge & Expertise Excellent knowledge of Microsoft Active Directory Domain Services. Knowledge of authentication protocols and techniques including LDAPS, SAML and Kerberos. Strong knowledge of network tools and protocols such as TCP/IP. Excellent knowledge of VMware and administration of virtual servers. Working knowledge of NAS/SAN storage environments. Ability to evaluate and remediate security vulnerabilities. Key Skills & Competencies Experience: with large Exchange to Office 365 migrations. Office 365 administration, applications and services in a hybrid server environment. Deep knowledge of Microsoft Teams, SharePoint, Active Directory and Client/Server Architecture. Knowledge of Microsoft M365/O365 administration. Experience: implementing Office 365 and Exchange Online. Experience: working with Microsoft Skype for Business. Deep knowledge of High-Availability computing and networking, including load balancing, TCP/IP, DHCP and DNS. Experience: using PowerShell and/or other scripting tools. In-depth technical expertise in messaging, video, voice, web conferencing and IP telephony technologies. Experience: working with File Security and Classifications. Solid grasp of UCC Communications Protocols including SIP, RTV, WebRTC, H.264 and H.323, and understanding of the impact of QoS in the UCC ecosystem. Knowledge of Hyper-V, vSphere, Citrix, SQL and Terminal Services. Experience: with Exchange Server 2003–2016. Experience: with Windows Server 2003–2016. OSX troubleshooting experience. Check how your CV aligns with this job Method of Application Interested and qualified? Go to Nestoil Plc on nestoilgroup.com to apply Build your CV for free. Download in different templates.