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Job Title: Senior Systems Administrator (Managed Enterprise) / Senior IT Support Engineer

Reports to: Head of Operations

Location: Port Harcourt

Job Summary:

Provide full-stack managed services support for enterprise IT infrastructure, including servers, hybrid cloud, storage, databases, backups, security, and enterprise software platforms. This role requires managing a complex multi-vendor environment (HPE, Dell, Lenovo, Microsoft, Oracle, VMware) and delivering high-availability support through both on-site operations and escalation coordination with remote and base office support.

Key Skills & Competencies
• Multi-vendor server hardware maintenance (HPE, Dell, Lenovo), VMware ESXi cluster management, BladeSystem configurations, and enterprise SAN/NAS provisioning.

• Expertise in Windows Server (2016+), Active Directory, Red Hat Enterprise Linux, Oracle Linux, and UNIX platforms.

• Proficiency in Microsoft Azure administration, M365 suite, hybrid AD identity synchronization, and cloud networking (VPN/ExpressRoute).

• Operational knowledge of Oracle Database (11g+) and MS SQL Server (2016+), including tablespace management, schema structures, and basic tuning.

• Experience with HP Data Protector, enterprise media management, ISO 27001 frameworks, vulnerability mitigation, and OS hardening.

• Applied knowledge of ITIL Incident, Change, and Problem Management frameworks, along with root cause analysis (RCA) and performance tuning.

Core Responsibilities:
• Administer ~100 Windows Server (2016+) Active Directory environments, RHEL/UNIX systems, and core network roles (DHCP, DNS, Hyper-V, GPO).

• Maintain data center computer hardware (HPE, Dell, Lenovo, VMware ESXi) and 150TB+ SAN/NAS storage arrays (HPE Alletra/3PAR, NetApp, EMC).

• Manage backup operations using HP Data Protector (v6+) and drive capacity planning.

• Support Microsoft Azure resources and M365 services (Exchange Online, Teams, SharePoint, hybrid Azure AD sync).

• Maintain Oracle (11g+) and MS SQL Server (2016+) databases and core enterprise applications (Forcepoint, Equitrac).

• Execute patch management, software upgrades, OS hardening, and maintain ISO 27001 security compliance.

• Deliver 24/7 proactive monitoring, incident management, and change control using an ITIL-aligned service desk.

Qualifications & Skills

• Education: B.Sc/B.Engr./B.Tech/HND in Computer Science/Engineering, Software Engineering, Electrical and Electronics Engineering.

• Experience: 5+ years supporting 24/7 enterprise data centers and hybrid environments.

• Certifications: Microsoft (Azure/M365 Admin), VMware/OEM Hardware Certifications, Cisco (CCNA/CCNP) and ITIL Certification.

If qualified, kindly your send CV to chukwuma.uju@jirehtechng.com and jirehtechnologieslimited@gmail.com two weeks from this advert.

Job Title: Senior Business Development Officer

Reports to: Head of Operations

Location: Lagos

Job Summary:

We seek an experienced Senior Business Development Officer to drive revenue growth, identify new business opportunities, and build strategic partnerships. The successful candidate will have a strong understanding of the industry, excellent communication skills, and a proven track record of delivering results.

Key Responsibilities:
1. Develop and execute business growth strategies to achieve revenue targets.
2. Identify, pursue, and close new business opportunities.
3. Build and maintain relationships with key clients, partners, and stakeholders.
4. Conduct market research and analysis to identify trends, opportunities, and challenges.
5. Identify and develop strategic partnerships to drive business growth.
6. Negotiate and finalize partnership agreements.
7. Manage and grow existing client relationships.
8. Develop and execute sales strategies to achieve revenue targets.
9. Develop compelling proposals and pitches, bids and tenders to secure new business.
10. Collaborate with cross-functional teams to develop tailored solutions.

Requirements:
1. Bachelor’s degree in Business, Marketing, or related field.
2. Minimum 5 years of experience in business development, sales, or marketing.
3. Proven track record of delivering revenue growth.
4. Strong communication, negotiation, and presentation skills.
5. Industry knowledge and network.

How to Apply:
If you are a motivated and experienced business development professional looking for a new challenge, please submit your application, including your resume and cover letter, to 

chukwuma.uju@jirehtechng.com and jirehtechnologieslimited@gmail.com