Senior Linux and KVM Specialist, Enterprise Infrastructure

🚀 We are looking for a Senior Linux and KVM Specialist, Enterprise Infrastructure
Hykmann Global Business Solutions AB is looking for a highly experienced and self-motivated Linux and virtualisation specialist for a qualified consultancy assignment in Linköping. You will work with advanced Linux- and KVM-based platforms in a security-classified environment where operational reliability, IT security and technical expertise are at the centre.
Start date - 2027-01-11
End date - 2027-12-31
We are looking for someone with deep technical experience who can make independent decisions and has extensive hands-on experience building, operating and troubleshooting virtualisation platforms in a production environment.
📍 Location: Linköping
🏢 Working arrangement: Full-time, 100% on site
📅 Assignment period: Initially 6–12 months, with a long-term need
🚀 Start: By agreement, following an approved security screening
🔧 About the assignment
You will be responsible for the operation, development and further development of enterprise Linux environments and KVM-based virtualisation platforms, including simulator solutions. You will work both operationally and strategically with infrastructure design, performance optimisation, security and automation.
Your main responsibilities:
Manage and further develop Red Hat Enterprise Linux (RHEL) environments.
Design, build and operate KVM-based virtualisation platforms.
Troubleshoot and optimise hypervisors, storage, networks and performance.
Harden Linux environments with SELinux, firewalld and certificate management.
Integrate Linux with Windows and Active Directory.
Automate configuration and deployment with Ansible.
Collaborate with senior specialists in system design, operations and IT security.
Skills
Linux
Python

Skills & requirements
✅ Mandatory qualifications
At least 8 years’ experience operating and managing Linux and server infrastructure.
In-depth expertise in RHEL 8, 9 and 10, including package management, systemd and security hardening.
Proven hands-on experience with KVM in a production environment, including libvirt, QEMU and troubleshooting at hypervisor level.
Experience integrating Linux and Active Directory using SSSD, Kerberos, LDAP, DNS and SMB/CIFS.
Good understanding of networking and storage, including VLAN, LVM, NFS and SAN/NAS.
Experience with Linux firewalls, for example firewalld and nftables, as well as TLS/SSL, PKI and certificate management.
Hands-on experience with Ansible for automation and configuration management.
A demonstrable senior-level perspective, a high degree of independence and the ability to drive technical issues forward.
Important: You must have built and operated KVM-based platforms in practice. Experience limited to creating and managing virtual machines through a graphical interface is not sufficient.
⭐ Desirable experience
RHCE or RHCSA certification.
Red Hat Satellite and Red Hat Identity Management (IdM/FreeIPA).
Scripting in Python and Bash.
PKI and certificate management between Windows CA and Linux.
IT security in sensitive or security-classified environments.
Physical server installation and infrastructure work.
Good communication skills in Swedish and English.
🔐 Security requirements
Swedish citizenship is required.
An approved security screening at level RK2 is required before the assignment starts.
The assignment is performed 100% on site in a security-classified environment.
Travel may be required.
📩 Does this sound interesting?
Do you have extensive experience of enterprise Linux, KVM and secure infrastructure, and would you like to take on a technically challenging assignment? Send your updated CV and a brief description of your relevant experience.