Senior Linux & Network Systems Lead - Production & Security

9D-Technologies & Hazel Mobile; Saddar; On-site; PKR 1,200,000 - 2,000,000; Full time

Benefits offered by this job

Family Health Insurance

Paid Time Off

Work-Life Balance

Delicious meals provided

On-site fitness facilities

Job summary

9D Technologies & Hazel Mobile is seeking a Senior Linux and Network Administrator to own production Linux servers and network services, including maintenance, new builds, incidents, and research. You will manage WireGuard, RADIUS, LDAP/KanIDM and Active Directory-style services, design Ansible changes, and oversee DNS, TLS, and firewall policies.

Responsibilities include leading investigations when issues arise, owning alerting and telemetry (Prometheus, Grafana, syslog), conducting

Qualifications

• Bachelor's degree in Computer Science or a closely related field is required.
• 4-6 years in Linux system administration and network operations with production changes ownership.
• Production experience with RADIUS and a directory service (KanIDM, LDAP, or Active Directory), plus WireGuard or equivalent tunnel operations.
• Strong Ansible, monitoring, and vulnerability remediation on Linux servers.

Responsibilities

• Own configuration and rollout of Linux network services, with a rollback path.
• Own WireGuard, RADIUS (FreeRADIUS), LDAP, KanIDM, and Active Directory-style directory services, including groups, credentials, and replication.
• Design Ansible changes for new hosts and services; manage DNS, TLS, and firewall policy.
• Lead investigation when authentication, connectivity, or capacity issues have no known cause.
• Own alerting, telemetry, and log and event review (Prometheus, Grafana, syslog).
• Run vulnerability assessment on the server fleet and verify remediation.
• Build proofs of concept, recommend what should reach production, and keep the runbooks current.

Skills

Ansible

Monitoring

Vulnerability remediation

Ownership of production changes

Troubleshooting

Education

Bachelor's degree in Computer Science or closely related field

Tools

WireGuard

RADIUS (FreeRADIUS)

KanIDM

LDAP

Active Directory-style directory services

Job description

9D Technologies & Hazel Mobile is seeking a Senior Linux and Network Administrator to own production Linux servers and network services, including maintenance, new builds, incidents, and research. You will manage WireGuard, RADIUS, LDAP/KanIDM and Active Directory-style services, design Ansible changes, and oversee DNS, TLS, and firewall policies.

Responsibilities include leading investigations when issues arise, owning alerting and telemetry (Prometheus, Grafana, syslog), conducting