such as PowerShell. Good general knowledge of TCP/IP and networking technologies including switches and firewalls. Working knowledge of Linux system administration skills (Red Hat/Ubuntu/CentOS). Working knowledge of application deployment via SCCM. Experience in the installation, configuration, and maintenance of Windows Server Update Services (WSUS). Experience on Secure LAN environments including security More ❯
Jenkins, Ansible, Puppet). 3 years of hands-on experience in: Infrastructure automation using PowerShell, Terraform, Bash, Ansible, and Azure CLI. System administration for Windows & Linux environments (RHEL, Ubuntu, CentOS). Cloud security and compliance monitoring. Strong working knowledge of the skills, experience, and expertise required to perform the roles and responsibilities described in the Job Description and Job More ❯
personnel MUST have IAT Level 2 credentials, including baseline cyber certificate(s) and applicable platform certifications, which include common operating environment training (Windows 2016/2019, Linux RedHat/CentOS, ubuntu). Required Skills: • Active security clearance • Security+ and IAT Level II • Computing environment certification w/in 6 months • 1+ yr CI/CD pipeline experience • (such as More ❯
San Diego, California, United States Hybrid / WFH Options
Forward Slope Incorporated
Currently hold an active U.S. security clearance or be able to obtain one. CompTIA Security+ Certified 2-5 years system administration experience related to: Linux operating systems (i.e., RHEL, CentOS) Windows Server Operating Systems (i.e., 2019, 2016) Virtual machines (i.e., VMware, VirtualBox, Hyper-V) Cloud computing infrastructure (i.e., Amazon AWS, Microsoft Azure) Information Assurance Compliance (i.e., STIGs, ACAS, ENS More ❯
project, and to work closely with project management to deliver Linux administration and deployment Understanding of server, storage and desktop hardware Desirable Experience working in a Linux environment (RedHat, CentOS) Knowledge of Windows Server, Active Directory, OU, User and Group Management Demonstrable experience of model-based systems architecture/engineering (e.g. MODAF, TOGAF) Knowledge of RedHat migrations Knowledge of More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
an expert on Microsoft Windows Server (including services such as AD, DNS, DHCP & SCCM) and virtualisation (Hyper-V), while also having an understanding and interest in Linux (Ubuntu/CentOS) and a desire to learn (if required) additional complementary technologies such as Microsoft Stack Technologies (SharePoint, SQL Server, Skype for Business/Teams), networking technologies and storage. Are you … Server 2003 2019, including OS build, AD, DNS, DHCP and GPO from design to implementation and support; Have a strong working knowledge of Linux system administration skills (Ubuntu/CentOS); Have good general knowledge of TCP/IP and networking technologies including load balancing and firewalls; Have good general knowledge of Microsoft stack technologies such as SharePoint, Skype for More ❯
Huntingdon, Cambridgeshire, East Anglia, United Kingdom Hybrid / WFH Options
Leidos Innovations UK Limited
an expert on Microsoft Windows Server (including services such as AD, DNS, DHCP & SCCM) and virtualisation (Hyper-V), while also having an understanding and interest in Linux (Ubuntu/CentOS) and a desire to learn (if required) additional complementary technologies such as Microsoft Stack Technologies (SharePoint, SQL Server, Skype for Business/Teams), networking technologies and storage. Are you … Server 2003 2019, including OS build, AD, DNS, DHCP and GPO from design to implementation and support; Have a strong working knowledge of Linux system administration skills (Ubuntu/CentOS); Have good general knowledge of TCP/IP and networking technologies including load balancing and firewalls; Have good general knowledge of Microsoft stack technologies such as SharePoint, Skype for More ❯
and CLI tooling such as PowerShell. Good general knowledge of TCP/IP and networking technologies including switches and firewalls. Working knowledge of Linux system administration skills (Ubuntu/CentOS). Working knowledge of application deployment via SCCM. Experience in the installation, configuration, and maintenance of Windows Server Update Services (WSUS). Experience on Secure LAN environments including security More ❯
as Cloud Formation, Ansible, Terraform. • Cloud Technologies deployment experience. • Open-source application deployments and maintenance. • Custom source application deployments and maintenance. • LINUX system administration experience (RedHat and/or CentOS). • Working knowledge of Linux and Windows operating systems, web services and SQL databases. • Experience working in an Agile environment. • Must be willing to work on-site. An Excellent More ❯
elimination of single points of failure, of process shortcomings, develop innovative process improvements, reducing workload and risk What Will Make You Successful IBM MQ experience Linux administration (RedHat/Centos) Kubernetes experience PostgreSQL knowledge or Cassandra DB Terraform experience GitOps knowledge Elastic experience Keycloak knowledge Passion for automation, and knowledge of state of the art tools and methodology Configuration More ❯
and support final solution(s). Participate in frequent internal engineering and strategy team meetings. Build direct customer relationships to improve organizational feedback loop. Required Skills: Extensive RedHat (RHEL), CentOsLinux, and/or UNIX experience. Experience managing NiFi data flows. Experience with VMWare or associate technologies (ESX, NSX, VSAN, KVM, Nutanix or other). Ansible or other automation More ❯
field; or equivalent years of experience in the industry. Hands-on experience in a Linux system engineering role. Expertise in at least two of the following distributions: Red Hat, CentOS, Ubuntu, or SUSE. Proven experience in automating tasks using scripting languages such as Bash, Python, or Perl. In-depth understanding of network protocols, services, and standards including TCP/ More ❯
Security Clearance or the ability to undergo SC Security Clearance Strong DevOps experience with CI/CD, infrastructure as code, and automation Expertise in Unix/Linux (RHEL/CentOS) and scripting with Bash, Python, or Go Significant experience with AWS cloud infrastructure Deep understanding of IaC tools: Terraform, Packer, CloudFormation Proven leadership in multidisciplinary delivery teams Skills in … Grafana, Splunk Experience working in a DevOps environment with a focus on CI/CD pipelines Experience designing, implementing, securing, and supporting Unix/Linux platforms (preferably RHEL/CentOS) with scripting languages Experience developing and supporting cloud-based applications in AWS Knowledge of CI/CD tools such as Gitlab CI & Jenkins Experience with Infrastructure as Code tools More ❯
and contribute to a collaborative and forward-thinking tech culture, we want to hear from you. Key Responsibilities: Provide Level 1-3 support for Linux-based systems (primarily Ubuntu, CentOS, RHEL, etc.) Troubleshoot and resolve hardware, software, and networking issues in physical and virtual environments Manage user access, permissions, and authentication (e.g., LDAP, SSH, Sudo policies) Monitor system performance More ❯
licenses, and infrastructure budgets. Required Skills & Experience: Strong technical leadership in infrastructure within a retail, ecommerce, or supply chain environment. Hands-on experience with Microsoft Windows Server , Linux (Ubuntu, CentOS, RHEL) , and modern virtualization. Experience managing hybrid environments (on-prem and cloud: AWS, Azure, or GCP). Sound understanding of infrastructure and platform security principles, with exposure to DevSecOps More ❯
infosec, system testing and client structures. TECHNOLOGIES USED: Operating Systems: • Microsoft Windows (7 - 10, Server ) • UNIX (Solaris, HP-UX, etc.,) Operating System versions • Common Linux distributions including RHEL/CentOS/Rocky and Debian/Ubuntu • OSX/iOS and Android • VMware/ESXi/KVM/OpenVZ or other virtualized environments • Linux variant Operating Systems versions • BSD variant More ❯
GPU’s to high speed interconnects and supporting software Experience with job scheduling workloads and orchestration tools such as Slurm, K8s Excellent knowledge of Windows and Linux (Redhat/CentOS and Ubuntu) networking (sockets, firewalld, iptables, wireshark, etc.) and internals, ACLs and OS level security protection and common protocols e.g. TCP, DHCP, DNS, etc. Experience with multiple storage solutions More ❯
as Cloud Formation, Ansible, Terraform • Cloud Technologies deployment experience • Open-source application deployments and maintenance • Custom source application deployments and maintenance • LINUX system administration experience (RedHat and/or CentOS) • Working knowledge of Linux and Windows operating systems, web services and SQL databases • Experience working in an Agile environment • Must be willing to work on-site An Excellent Candidate More ❯
infrastructure. This role involves deployment, configuration, and support for both Linux and Windows-based systems in a high-availability environment. Key Responsibilities: Install, configure, and support Linux (RedHat/CentOS/Ubuntu) and Windows Server environments. Collaborate on server and service migrations during the infrastructure rebuild. Patch, harden, and secure server instances in line with organizational policies. Support VMware More ❯
and thrive in high-availability, enterprise-scale settings, this is a fantastic opportunity to make an impact. What You’ll Be Doing: Deploy, configure, and support Linux (RedHat/CentOS/Ubuntu) and Windows Server environments Collaborate on server and service migrations during a full infrastructure rebuild Apply patches, harden systems, and enforce security policies Support virtual environments (VMware More ❯
in this role Minimum 2 years of hands-on experience as a Linux Systems Administrator, with proven expertise in managing and maintaining enterprise-grade Linux environments (e.g., Red Hat, CentOS, Ubuntu). Strong knowledge of Linux command-line utilities, shell scripting (Bash, etc.), and system administration tasks including user and group management, file system permissions, software installations, and service More ❯
RHEL 617/8, RHCSNRHCE CentOS , Confluence/Jira, Python, Ruby, Perl, Java , DevOps, Site Reliability Engineering, Software Defined Networking , deployment architecture , SLA requirements , Configuration Management, containerization, serverless technologies, Kubernetes, Gradle, Maven, ANT, Shell, Jenkins, Docker, Bamboo, Amazon Web Services, VMWare, Puppet, Chef, ansible, Memcache, Active MQ, Redis, APC, MySQL (Clusters, Replication, and Tuning), Elasticsearch, Kibana Due to federal … in a technical discipline from an accredited college or university is required. Must be fluent with Git Strong knowledge of Linux and Linux environments (RHEL 617/8, RHCSNRHCE CentOS) Experience with Windows system administration, system monitoring, instrumentation, resiliency and performance. Working in an Agile dev environment (excludes education experience such as bachelor's or master's degree in More ❯
be: Virtualization - platforms such as Vmware/Redhat Openshift Kubernetes and Docker Configuration Management Systems Puppet/Ansible Linux Administration redhat family OS, including RHEL, Alma and some legacy CentOS Core internet applications protocols DHCP/DNS Monitoring Systems Icinga2/Elastic Stack/InfluxDB/Grafana Application and network security best practices SSH/Iptables/TLS AWS More ❯
