Jobs at GVA Partners

Job Description

• Install, configure, and administer Oracle, MongoDB, MySQL, and Cassandra environments across dev/test/prod.
• Support solution implementation activities including database provisioning, schema setup, user creation, and role-based access control.
• Design and maintain backup and recovery strategies (full/incremental, snapshots, PITR), and execute recovery tests to meet RPO/RTO targets.
• Implement and manage high availability and disaster recovery configurations (e.g., clustering/replication, standby/replica sets, multi-node Cassandra).
• Perform database performance tuning: query optimization, indexing strategies, memory/IO tuning, and capacity planning.
• Monitor databases using enterprise or native tools; define and tune alerts, thresholds, and health checks.
• Manage patching and upgrades for database engines and supporting components with minimal downtime.
• Execute data migration and transformation tasks (export/import, replication-based migration, cutover planning and rollback).
• Enforce security controls: encryption (at rest/in transit), key management integration, auditing, least privilege access, and credential rotation.
• Create and maintain database standards and documentation: runbooks, build guides, operational procedures, architecture diagrams.
• Collaborate with application teams to ensure best practices for connection management, pooling, transaction handling, and resilience.
• Support integration with CI/CD pipelines for database changes (e.g., version-controlled schema changes, controlled deployments).
• Troubleshoot complex incidents including corruption, replication lag, locking/contention, disk/IO bottlenecks, and configuration drift.
• Participate in implementation workshops, readiness reviews, cutover execution, and hypercare/stabilization support.
• Ensure compliance with enterprise requirements for logging, retention, auditing, and change management.
• Provide knowledge transfer to operations/support teams and contribute to post-implementation lessons learned.

Requirements

• Minimum of 5+ years post-NYSC professional experience
• Experience working on MSAP DB & VAS programs
• Hands-on experience providing DBA support for MSAP database migration
• Strong experience with database optimization programs
• In-depth knowledge of database performance tuning and optimization
• Experience supporting efforts to consolidate and stabilize test restore environments

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• Install, configure, and administer UNIX/Linux servers (e.g., RHEL, Oracle Linux, Solaris/AIX as applicable) for project environments.
• Provision and standardize server builds including OS installation, baseline configuration, and environment hardening.
• Manage user/group administration, sudo policies, PAM controls, and implement least privilege access.
• Configure and maintain storage and filesystems (LVM, multipath, NFS), including mount strategy, performance and resilience.
• Set up and validate network configuration (IP, routing, DNS, NTP, firewall rules), ensuring connectivity to application and database tiers.
• Implement system security controls: patching cadence, CIS-like hardening, SSH policies, audit logging, endpoint protection integration.
• Automate repetitive admin tasks using shell scripting and tools such as Ansible (or similar automation framework).
• Configure and manage services and daemon lifecycle (systemd/init), log rotation, and basic observability integration.
• Perform performance monitoring and tuning (CPU, RAM, disk IO, network), and assist in root-cause analysis of incidents.
• Support middleware/application installation prerequisites (packages, kernel params, ulimits, file descriptors, shared libraries).
• Coordinate with storage/network/security teams for firewall approvals, VLANs, load balancers, certificates, and access pathways.
• Ensure adherence to change management: raise RFCs, implement approved changes, and document build and configuration decisions.
• Participate in implementation milestones: readiness checks, deployment support, cutover execution, and hypercare.
• Prepare and maintain technical documentation: build guides, hardening evidence, support runbooks, and handover packs. Typical deliverables
• Standard server build template, hardening evidence, patching report, access matrix, configuration baseline, cutover checklist, support runbook.

Requirement

• Minimum of 5 years post-NYSC professional experience
• Experience in OLVM Cluster Development
• Hands-on experience with setup and deployment of OLVM clusters
• Experience working on OLVM Cluster Development projects (VGC)

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Summary of Functions

• Tailoring the SIEM solution to unique infrastructure and business needs
• Monitor the overall performance of security systems depicted in appendix A
• Identity and Access Management Monitoring/Alerting
• Endpoint monitoring
• Constantly oversee and analyze security defenses per on-prem and cloud infrastructure
• Participate in the delivery of cybersecurity operations through vulnerability and threat identification, incident detection and response, forensic investigations, Patch and Vulnerability Management. Engage with infrastructure and applications teams in mitigation and remediation efforts.
• Maintain key metrics that are indicative of the security posture of the infrastructure.
• Keep abreast of threat intelligence feeds to stay abreast of industry reports and emerging threat that may affect.
• Produce Executive Dashboard Security reporting showing actionable insights from IT Security monitoring tools
• Engage with other IT units, where applicable, to establish and enforce security best practices, protection objectives, and process improvements.

Education, Experience, and Skills required

• Bachelor’s degree/HND in Computer Science, Information Technology or Cybersecurity related field
• Minimum of 7 years of experience in Cyber security, with at least 5 years of working as SOC Analyst
• Experience with Windows/Unix/Linux Operating systems with a focus on cybersecurity
• Relevant industry certifications (i.e. CISSP, CASP+ CEH, GCIH, GCIA, OSCP)
• Experience with SIEM (Arcsight), EDR (Falcon Crowdstrike, Packet Analysis, HIPS/NIPS,
• Network Monitoring tools, Service Now Ticketing, Web Security.
• Communicates clearly with diverse technical and business owners.
• Familiarity with regulations and frameworks such as NIST, PCI, ISO 27001

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Job description

• Build and administer Windows Server environments for dev/test/prod aligned to project requirements.
• Perform server provisioning: OS installation, system configuration, and baseline hardening per enterprise standards.
• Administer Active Directory integration: domain join, GPO application, service accounts, group memberships, and delegated access.
• Manage Windows security: local and domain policies, Defender/EDR integration, audit policies, TLS/cipher configuration, certificate management.
• Implement and maintain patching and updates (WSUS/SCCM or enterprise tools), including maintenance windows and rollback planning.
• Configure Windows services and roles as required (IIS, Failover Clustering, DNS/DHCP where applicable).
• Support application/middleware prerequisites: .NET frameworks, VC++ runtimes, Windows features, registry settings, and permissions.
• Configure storage, disks, volumes, and file sharing (SMB/NTFS permissions), including performance and resiliency considerations.
• Set up and validate network settings: DNS, NTP, firewall rules, proxy configuration, and connectivity to dependent systems.
• Administer virtualization/cloud workloads where applicable (Hyper-V/VMware/Azure/AWS), including templates and resource sizing.
• Implement monitoring/observability agents, log forwarding, and define operational alerting thresholds.
• Troubleshoot OS and platform issues: event logs, performance counters, service failures, patch conflicts, and authentication issues.
• Execute implementation activities: build validation, deployment support, cutover execution, and hyper care stabilization.
• Document standard builds, configurations, and operational procedures; create handover materials for BAU operations.
• Collaborate with security, network, storage, and application teams to resolve dependencies and meet project timelines. Typical deliverables
• Windows build & hardening checklist, AD/service account plan, patch compliance report, certificate inventory, monitoring setup, deployment & cutover runbook, operations handover pack.

Requirements

• Minimum of 5+ years post-NYSC professional experience
• Proven experience with data migration from Power Max 8500 to VMAX 3
• Strong working knowledge of VMware and Unix (M6) environments
• Hands-on experience with large-scale storage migrations, including migration of approximately 449 LUNs