City of London, Greater London, UK Hybrid / WFH Options
Understanding Recruitment
including network, application, quant, and business teams to deliver scalable solutions. Proactively identify potential system bottlenecks and implement performance tuning and optimizations. Manage and tune Linux systems (RHEL, Rocky, CentOS, OEL) for low latency applications, including memory, CPU, and network tuning. Work closely with low latency network technologies, including kernel bypass with Solarflare/onload, and understand physical server More ❯
cloud environments. •Expertise in AWS cloud services and infrastructure management. •Advanced troubleshooting and problem-solving skills, particularly in API and cloud contexts. •Strong familiarity with Linux distributions (e.g., RedHat, CentOS). •Proficiency in DevOps practices, Agile/Scrum methodologies, and continuous integration tools (e.g., GitLab CI, Nexus). More ❯
data centre environments Technical Environment Includes: Java, Maven, NPM for application builds Cypress for automated testing Git for source control Terraform and Ansible for infrastructure configuration OpenShift, RHEL/CentOS, and Docker for deployment targets InfluxDB and Grafana for monitoring and observability Oracle (or equivalent RDBMS), AMQP, and S3-compatible object storage systems ** Please note this role requires active More ❯
data centre environments Technical Environment Includes: Java, Maven, NPM for application builds Cypress for automated testing Git for source control Terraform and Ansible for infrastructure configuration OpenShift, RHEL/CentOS, and Docker for deployment targets InfluxDB and Grafana for monitoring and observability Oracle (or equivalent RDBMS), AMQP, and S3-compatible object storage systems Please note this role requires active More ❯
CI/CD (GitLab, Jenkins, etc.) • Experience with monitoring tools (Prometheus, Grafana, etc.) • Experience with storage provisioning (OpenEBS, Gluster, etc.) along with data backup and restore • Experience with Linux (CentOS desired) • Experience with several programming language (dynamic and compiled) • Experience with building automation tools for repetitive tasks • Experience with metrics (Elastic, etc.) Desired Skills: • Microservices architecture and design • Experience More ❯
Certified • Experience with configuration management tools such as like Puppet, Chef, and/or Ansible. • Experience with Kubernetes • Experience (Mid/Senior level) with Linux administration, preferably RHEL/CentOS 7 and 8 • Experience with cloud technologies such as Amazon Web Services (AWS) or GovCloud Nice-To- Haves (Hard Skills) • Experience with Space Systems • Experience with continuous integration, build More ❯
Cloud and On-Prem) Business Intelligence/Big Data/Data Science ITSM Experience with Amazon Web Services Experience with Azure Python framework and Shell scripting Linux distributions: RedHat, CentOS Experience with one or more Javascript Frameworks (React, Angular, JQuery) Serverless and Microservice development Container technology Demonstrated (non-academic) experience in a similar role (day-to-day management as More ❯
L2 VPN, L3 VPN, EVPN, MPLS, SR, LDP, BGP and IGP) Cisco NSO service creation (services and actions) Experience using workflow engine example Itential IAP Competent in Unix (REHL, Centos) Competent in XML/JSON/YAML Working knowledge NETCONF/REST/RESTCONF/SOAP Working knowledge of Source control tools e.g., GitLab. Working knowledge of containerisation (Docker More ❯
Cheltenham, Gloucestershire, United Kingdom Hybrid / WFH Options
TwinStream
and execution of component and service acceptance test suites using Maven and Cypress. Deployment and configuration of tested services using Terraform and Ansible. Target platforms include OpenShift, RHEL/CentOS and Docker. Configuration and deployment of third-party appliances and software services. Verification & Monitoring: Track performance and availability metrics from deployed services with Influx and Grafana. Configure automated alerts More ❯
Thurnscoe, Rotherham, South Yorkshire, England, United Kingdom Hybrid / WFH Options
Arden Resourcing Limited
The position offers hands-on experience in Linux systems, enterprise storage, networking, and automation within a high-performance environment. Key Responsibilities: · Support and maintain Linux-based systems (RHEL/CentOS/Rocky/Ubuntu) · Troubleshoot server, storage, application, and networking issues for global clients. · Contribute to hardware/software installations, configurations, and deployments. · Document resolutions and contribute to the More ❯
identifying known malware, finding unique patterns and anomalies to discover new threat actors and taking operational actions to achieve mission requirements. You should be comfortable working in a Linux (CentOS/Debian/Ubuntu) environment, using SSH and being able to conduct regular Linux system administration, configuration and maintenance tasks. You will be able to help improve existing Standard … but is not required. BS degree must be in a technical discipline OR may substitute three years of sponsor-specific experience for BS degree. REQUIRED SKILLS: • Experience with Linux (CentOS/Debian/Ubuntu) systems administration • Ability to automate tasks through Bash/Perl/Python scripting • Understanding of network layers, protocols and flows • Familiarity with analyzing network traffic More ❯
similar scripting tools or software, etc. Using puppet or other software configuration management tool and managing Linux system patches Experience with SYSLOG data, server environment and with Linux (RHEL, CENTOS, or similar) Experience with general troubleshooting skills in Linux and Puppet Preferred Demonstrated on-the-job experience with Greenlight/XACTA Certifications: Atlassian, Microsoft, Cisco Network, Linux, VMware, ITIL 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 ❯
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 ❯
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 ❯
