London, England, United Kingdom Hybrid / WFH Options
Oxford Knight
support escalations, monitoring, automation, security, documentation and capacity management. This will involve collaborating with business partners, application owners, clients, vendors and internal teams to deliver systems, based on Linux (CentOS and Rocky) in response to requirements and day-to-day requests. You’ll also take the initiative where possible to automate routine tasks and promote the practice of Infrastructure … resourceful; able to handle a fast-paced, dynamic environment, question the status quo; be accountable and possess an ownership mindset. Requirements 5+ years’ experience working with Linux (RHEL/CentOS/Rocky preferred) in a large environment focused on operations, systems engineering and systems performance Experience in server management and support: HP, SuperMicro, Dell, various overclock servers Proficiency with More ❯
focused solutions. The position requires collaborating with development teams, understanding system architecture, and implementing code solutions to enhance service reliability. Primary responsibilities include supporting and maintaining Linux environments (RHEL, CentOS, Ubuntu) and assisting with network infrastructure operations. You will help resolve complex operational issues through systematic diagnosis, implement monitoring solutions, and perform infrastructure maintenance. Working alongside development teams, you More ❯
systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Notes: Installing LINUX (Centos and/or RHEL) Troubleshooting LINUX performance, Storage, connectivity VM Maintenance, building, troubleshooting Shell Scripting System Patching using YUM Reading vulnerability reports, IAVA compliance, POA&Ms Familarity with BISCOTTI More ❯
of expertise. Supervision - Normally receives little instruction on day-to-day work, general instructions on new assignments. Operating Systems: Linux distributions including one or more for the following: Ubuntu, CentOS/RHEL, Amazon Linux Microsoft Windows z/OS Tandem/HP-Nonstop Database - Design, familiarity with DDL and DML for one or more of the following databases Oracle More ❯
L3 escalation support to remediate performance and availability issues. Identify areas of improvement before they become a problem. Required Qualifications: 8+ years working with Linux (RHEL/Rocky/CentOS/OEL preferred) in an enterprise environment with the following areas of focus: operations, systems engineering and systems performance. System tuning (memory/CPU/network) for low latency More ❯
issues. Identify areas of improvement before they become a problem. Ability to customize solutions based on evolving requirements. Required Qualifications: 10+ years working with Linux (RHEL/Rocky/CentOS/OEL preferred) in an enterprise environment with the following areas of focus: operations, systems engineering and systems performance. System tuning (memory/CPU/network) for high bandwidth More ❯
experience. Ka/Ku SATCOM and Aviation Communication systems. Strong understanding of ABU products and services. Strong fixing and analytic skills. Linux experience and administration (RHEL/Ubuntu/CentOS/ALMA etc). Data and database management and query (SQL/PGSQL). Python. Experience with working in an operational and engineering environment. Clear and concise communication skills More ❯
James Scott, LLC is seeking an experienced Systems Administrator to support one of its top-tier intelligence customers. This role is critical in delivering mission-essential technology solutions to the DoD IC, ensuring the seamless operation of systems that safeguard More ❯
kernels, and architectures. Proficiency in programming languages such as C, C++, Python, or Shell scripting. Good knowledge in Embedded systems Development Hands-on experience with Linux distributions (e.g., Ubuntu, CentOS, Debian, Red Hat). Familiarity with version control systems (e.g., Git) and CI/CD pipelines. Excellent problem-solving skills and attention to detail. Preferred Qualifications Experience in other More ❯
Provide day to day systems administration and support of production and non-production environments in accordance with agency IT policy and Guidelines. Manage the support and maintenance of the CentOS and RedHat Enterprise Linux Operating System environments. Manage and troubleshoot activities associated with systems maintenance tasks such as system backups, recovery and file system maintenance. Manage and troubleshoot activities More ❯
written Ada, hence knowledge of C++ is required while knowledge of Ada would be beneficial. Experience with RTI DDS is a plus, as is developing for a Linux/CentOS target from both Linux/CentOS and Windows hosts. Responsibilities will include software development from requirement analysis to integration, acceptance test, and delivery. The candidate must already have More ❯
Ruby and Ruby on Rails. • Work on integrating telephony systems (e.g., VoIP, analog, ISDN) along with voice media gateways and associated service modules • Manage and configure Linux servers (Ubuntu, CentOS, etc.) for hosting applications, ensuring performance, stability, and security. • Develop and Test on Linux based servers. Must be capable of developing and installing PowerBuilder based programs and Korn shell More ❯
storage/network devices Read vulnerability reports and ensure IAVA compliance Requirements 10+ years of experience to support the implementation, troubleshooting, and maintenance of IT systems Preferred Experience Linux (CentOS/RHEL) installation and troubleshooting More ❯
of expertise. Supervision - Normally receives little instruction on day-to-day work, general instructions on new assignments. Operating Systems: Linux distributions including one or more for the following: Ubuntu, CentOS/RHEL, Amazon Linux Microsoft Windows z/OS #J-18808-Ljbffr More ❯
Manchester, England, United Kingdom Hybrid / WFH Options
Ripjar
Jira, Confluence and Github are used as support tools. We use ansible to manage configuration and deployments. Most developers use Macbooks for development and our servers all run the CentOS flavour of Linux. If you have any experience in this tech stack, that's useful, as is a numerate degree, such as Computer Science, but neither are required for More ❯
Job Summary Researcher/Cyber Security Country: United Kingdom Location: Malvern Sector: Other Job Type: Permanent Technologies: Researcher Cyber Security, Wireshark, Python, PowerShell, Windows, CentOS, SC clearance, Microsoft Office, hex editors, Computing Degree, Cloud, Malvern A successful cyber-security company is looking for a Researcher to join their growing research team. This is a great opportunity for someone with … research findings Contribute to research publications and presentations Must be eligible for SC clearance Experience scripting in Python and PowerShell Install and configure operating systems such as Windows and CentOS Work in virtualized environments, both in the cloud and on-premises Diagnose network problems using tools like Wireshark Use hex editors to analyze file structures Proficient in Microsoft Office More ❯
Job Number: 218 Job Category: GovTech Job Title: PRINCIPAL SYSTEM ADMINISTRATOR - TEXAS - URGENT Job Type: Full-time Clearance Level: Top Secret/SCI - Full Scope Polygraph Work Arrangement: On-site Job Location: San Antonio TX Salary: 169K-176K Background Provide More ❯
or more years of experience in system administration or related IT role. Experience administering a wide variety of *nix platforms. Proven experience configuring and managing systems running Debian and CentOS (or derivatives), and software such as OpenSSH, Nginx, Apache, MySQL, Postfix, and Dovecot. Experience with tools and products like Chef/Ansible and Vagrant/Docker. Automate everything mindset More ❯
Solid understanding and experience with databases mainly Postgres SQL,MariaDB/Mysql (and Oracle) Solid understanding of schemas, table spaces, indexing, and database performance optimization Familiarity or knowledge of CentOS/RedHat operating system (admin/root level) Demonstrated experience leading individual projects, including scheduling and reporting Formal experience on a DevOps or Performance or support team is desired More ❯
Gloucester, Gloucestershire, England, United Kingdom
Shorterm Group
modernisation of a significant Linux estate, working within a collaborative and technically challenging environment.About the Role:You will take a lead role in migrating approximately 130 legacy Linux servers (CentOS, Red Hat, and SUSE) to a fully supported Red Hat environment. These servers have reached end-of-life and require immediate replacement to ensure continued security and operational efficiency. … to ensure knowledge transfer and maintain system integrity.Communicate regularly with key stakeholders, including technical teams in France and India.Key Skills & ExperienceProven expertise in Linux system administration across Red Hat, CentOS, and SUSE distributions.Hands-on experience with server virtualisation and virtual machine management.Proficient in deploying and managing services such as Apache, MariaDB, and SSL certificates.Strong background in implementing and configuring More ❯
of a significant Linux estate, working within a collaborative and technically challenging environment. About the Role: You will take a lead role in migrating approximately 130 legacy Linux servers (CentOS, Red Hat, and SUSE) to a fully supported Red Hat environment. These servers have reached end-of-life and require immediate replacement to ensure continued security and operational efficiency. … transfer and maintain system integrity. Communicate regularly with key stakeholders, including technical teams in France and India. Key Skills & Experience Proven expertise in Linux system administration across Red Hat, CentOS, and SUSE distributions. Hands-on experience with server virtualisation and virtual machine management. Proficient in deploying and managing services such as Apache, MariaDB, and SSL certificates. Strong background in More ❯
OS upgrades, troubleshooting problems, managing package install/upgrades Required: TS/SCI w/POLYGRAPH BEFORE CONSIDERATION Must have a Security + certification. Demonstrated experience with RHEL and CENTOS Operating systems with the ability to configure, monitor and troubleshoot. Manage installation, maintenance and support of technical infrastructures, hardware and system software components. Education & Experience: Must have a Security … experience may be substituted for a Bachelor's degree, making the total experience requirement twelve (12) years as an IT Engineer without a degree• Demonstrated experience with RHEL and CENTOS Operating systems with the ability to configure, monitor and troubleshoot. Manage installation, maintenance and support of technical infrastructures, hardware and system software components. Clearance Requirements TS/SCI w More ❯
for platform and infrastructure services, maintaining detailed platform documentation. Participate in on-call rotation for out-of-hours support and incident response. Required Skills Strong experience with Linux (preferably CentOS, Rocky Linux, or RHEL) and system deployment. Experience with Cisco, Juniper, VyOS, and Fortigate hardware and firewalls. Proficiency in Puppet for configuration management. Experience with KVM virtualization and managing More ❯
