Linux administrator Job at Realign (Minneapolis)

Linux administrator

Realign

Location:
United States , Minneapolis

Category:
IT - Administration

Contract Type:
Not provided

Salary:

102800.00 USD / Year

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Job Description:

We are seeking an experienced Linux System Administrator to manage, maintain, and optimize our Linux-based infrastructure. The ideal candidate will ensure the reliability, security, and performance of our server environments while supporting development teams and business operations with robust, scalable systems.

Job Responsibility:

Install, configure, and maintain Linux servers across multiple distributions (RHEL, CentOS, Ubuntu, Debian, SUSE)
Manage physical, virtual Linux environments (VMware)
Perform system updates, patches, and security hardening following best practices
Configure and manage system services, daemons, and startup processes (systemd, init.d)
Implement and maintain user account management, access controls, and sudo policies
Monitor system performance, resource utilization, and capacity planning
Manage disk storage, LVM, filesystems, and partition schemes
Configure and optimize kernel parameters and system tuning
Deploy and provision new Linux servers using automation tools and kickstart/preseed configurations
Manage server lifecycle from provisioning to decommissioning
Implement load balancing and failover mechanisms
Manage virtual machine environments and hypervisors
Optimize server performance through tuning and resource allocation
Configure network interfaces, routing, VLANs, and bonding/teaming
Manage firewalls using iptables, firewalld, or nftables
Configure DNS, DHCP, and network services
Implement VPN solutions (OpenVPN, IPsec, WireGuard)
Troubleshoot network connectivity and performance issues
Configure SELinux/AppArmor security policies
Manage SSL/TLS certificates and key management
Configure and manage local and network storage (NFS, CIFS/Samba, iSCSI)
Implement RAID configurations and disk redundancy
Manage logical volume management (LVM) and filesystem optimization
Design and implement backup and recovery strategies
Configure and maintain backup solutions (rsync, Bacula, Amanda, Veeam, Commvault)
Perform regular backup testing and disaster recovery drills
Manage data retention policies and archival strategies
Implement security best practices and hardening standards (CIS benchmarks, STIG)
Configure and manage authentication systems (LDAP, Active Directory integration, Kerberos)
Implement SSH key management and secure remote access
Configure intrusion detection/prevention systems (IDS/IPS)
Perform regular security audits and vulnerability assessments
Manage security patches and emergency updates
Implement file integrity monitoring (AIDE, Tripwire)
Configure audit logging and centralized log management
Ensure compliance with security policies and regulatory requirements (PCI-DSS, HIPAA, SOC 2)
Implement comprehensive monitoring using tools like Datadog
Configure alerting for critical system events and thresholds
Monitor system logs using centralized logging solutions (ELK Stack, Splunk, rsyslog)
Analyze system performance metrics (CPU, memory, disk I/O, network)
Optimize system performance through kernel tuning and resource management
Troubleshoot performance bottlenecks and resource contention
Implement capacity planning based on growth trends
Develop shell scripts (Bash, Python, Perl) for automation and task scheduling
Develop monitoring scripts and health check utilities
Automate backup and recovery procedures
Install and configure web servers (Apache, Nginx)
Manage application servers (Tomcat, JBoss, WebLogic)
Configure reverse proxies and SSL/TLS termination
Optimize web server performance and caching
Implement log rotation and management
Support development teams with server configurations
Install and configure database servers (MySQL, PostgreSQL, Oracle)
Perform basic database administration tasks and backups
Monitor database server performance and resource usage
Coordinate with DBAs for advanced database operations
Implement database replication and high availability
Diagnose and resolve system issues, crashes, and performance problems
Troubleshoot boot failures, kernel panics, and hardware issues
Analyze system logs and error messages for root cause analysis
Respond to incidents and service requests in a timely manner
Escalate complex issues to appropriate teams or vendors
Document troubleshooting procedures and resolutions

Requirements:

3-5 years of hands-on Linux system administration experience in production environments
Strong knowledge of Linux distributions (RHEL/CentOS, Ubuntu/Debian preferred)
Proficiency in shell scripting (Bash) and at least one scripting language (Python, Perl)
Experience with package management (yum/dnf, apt/dpkg, zypper)
Strong understanding of networking concepts (TCP/IP, DNS, routing, firewalls)
Experience with configuration management tools (Ansible, Puppet, Chef, or SaltStack)
Knowledge of virtualization technologies (VMware, KVM, Xen)
Experience with monitoring and logging tools
Understanding of security best practices and hardening techniques
Strong troubleshooting and problem-solving skills

Nice to have:

Linux certifications (RHCSA, RHCE, LPIC-1, LPIC-2, CompTIA Linux+)
Familiarity with infrastructure as code (Terraform, CloudFormation)
Experience with web servers and load balancers (Apache, Nginx, HAProxy)
Experience with enterprise backup solutions
Understanding of storage technologies (SAN, NAS, distributed filesystems)
Familiarity with DevOps practices and methodologies

Additional Information:

Job Posted:
March 21, 2026

Employment Type:

Fulltime

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Job Link Share:

Linux administrator

Realign

Location:
United States , Minneapolis

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
March 21, 2026

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