Regent
Technology
LeadEngineer–UnixInfrastructure
Neural analysis suggests this role is
optimal for Lead candidates.
“Lead Engineer – Unix Infrastructure at Regent. Skills: Unix Infrastructure, Linux, AIX, Virtualisation. Build, provision, and maintain servers. Integrate domains and LDAP”
What You'll Achieve.
Ensure stability, security, performance; Reduce alert noise; Ensure antivirus/EDR agents are healthy; Ensure alignment with SLAs; Ensure timely remediation; Foster skill development
Industry & Context.
Troubleshooting; Root-cause analysis
On-site 5 days per week, On-Call rota
What They're Looking For.
Must Have
Unix expertise, Leadership capability, Linux and AIX servers, VMware virtualisation, IBM PowerVM, VMC on AWS, Bash, Python, and/or Ansible, Jira for team ticket queue management, Runbook maintenance, Diagram upkeep, CMDB attribute management
Nice to Have
AI-assisted automation development, Autonomous agents development, LLM-based automation integration, Veeam or IBM Spectrum Protect familiarity
What You'll Do.
Integrate domains and LDAP
Enforce security baselines
Execute patching cycles
Validate application services post-patch
Record evidence for compliance
Monitor OS and VM health
Resolve performance bottlenecks
Tune monitoring thresholds
Troubleshoot identity integration
Manage TLS/certificate bindings
Enforce least-privilege access
Control SSH key lifecycle
Manage secure service accounts
Ensure antivirus/EDR agents are healthy
Remediate coverage gaps
Administer Rubrik backup solution
Maintain backup agents
Validate policy coverage
Run periodic restores
Capture and document DR
Participate in DR tests
Track EOL OS and hardware
Plan upgrades or migrations
Manage risk with stakeholders
Lead incident response
Conduct root-cause analysis
Drive lasting remediation
Produce post-incident reports
Oversee virtualisation layer
Support application teams
Collaborate with network teams
Collaborate with storage teams
Collaborate with cloud teams
Keep server runbooks current
Keep diagrams current
Maintain CMDB attributes
Document architectures
Document configurations
Document identity integrations
Provide weekly operational KPIs
Present findings in meetings
Ensure alignment with SLAs
Lead response to audit findings
Ensure timely remediation
Manage vendor relationships
Coordinate third-party support
Oversee hardware decommissioning
Mentor and develop engineers
Foster skill development
Prioritise Jira ticket queue
Organise On-Call rota
Drive continuous improvement
Stay current with technology roadmaps
How You'll Work.
Team & Collaboration
Application teams; Network teams; Storage teams; Cloud teams; Junior team members; Governance meetings; Service review meetings
Communication Scope
Present findings
Process & Methodology
Jira, ServiceNow
Full Job Description
REGENT LP Regent is a global private holding company focused on investing in and transforming businesses across a broad spectrum of industries including automotive, technology, consumer products, retail, industrial, and media. Known for driving innovation and operational excellence, Regent partners with management teams to unlock long-term value. We are seeking a Network Engineer to join one of our portfolio companies, based in Warsaw. ROLE OVERVIEW We are seeking an experienced Lead Engineer specialising in Unix Infrastructure to join a global technology team. This area lead role carries full accountability for the stability, security, and continuous improvement of a Linux and AIX server estate - spanning on-premises data centres, VMware virtualisation, IBM PowerVM, and VMC on AWS. The Lead Engineer is responsible for managing the lifecycle of Unix servers, ensuring the stability, security, and performance of business-critical applications. The successful candidate will bring deep Unix expertise alongside the leadership capability to mentor junior team members, drive continuous improvement, and collaborate across application, network, storage, and cloud teams.* *Please note this role is on-site 5 days per week AREA CONTEXT The Unix area is dedicated to the management of server operating systems, ensuring the stability, security, and performance of business-critical applications. It covers the deployment, patching, and monitoring of Unix (Linux, AIX) servers across data centres and cloud environments. The area addresses operational challenges such as end-of-life hardware, legacy systems, and the need for rapid response to incidents. It supports business continuity through robust backup and recovery processes and aligns with best practices for system administration. KEY RESPONSIBILITIES Build, provision, and maintain Linux (RHEL/CentOS/Ubuntu) and AIX servers, including domain/LDAP integration, security baseline enforcement, and CIS hardening. Execute patching cycles
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