Permanent Linux Job Vacancies

2,251 to 2,275 of 2,798 Permanent Linux Jobs

System administrator with Security Clearance

El Segundo, California, United States
Innova Solutions, Inc
an accredited course of study, in engineering, computer science, mathematics, physics or chemistry. • Current CompTIA Security+ certification. • Current CompTIA Network+ certification. • Experience in Operating Systems: Windows Server, RedHat Enterprise Linux, Oracle Enterprise Linux, and Cisco IOS • Experience in VMWare Virtualization • Experience in Enterprise Storage. Qualified candidates should APPLY NOW for immediate consideration! Please hit APPLY to provide the required information More ❯
Employment Type: Permanent
Salary: USD 63 Hourly
Posted:

Linux & Windows System Admin (DoD Secret) with Security Clearance

San Diego, California, United States
Zachary Piper Solutions, LLC
Zachary Piper Solutions is seeking a Linux & Windows Systems Administrator to support the Research, Development, Test, and Evaluation (RDT&E) network and secure enclaves for NIWC PAC in San Diego, California. This role involves securing and maintaining both Windows and Linux systems, supporting infrastructure design, and ensuring compliance with DoD cybersecurity standards. Key Responsibilities: - Administer and maintain Windows, Linux, and … Required Qualifications: - Active Secret clearance - Minimum 3+ years of experience with Windows systems administration - IAT Level II certification (one of the following): - Security+ CE - GSEC - SCNP - SSCP Experience with: - Linux system administration - VMware environments - Applying DISA STIGs and security patches - Writing SOPs and security policies relevant to ESS/HBSS Preferred Qualifications: - Knowledge of ITIL processes and ITIL certification - Experience More ❯
Employment Type: Permanent
Salary: USD 115,000 Annual
Posted:

Senior Infrastructure Engineer - Managed Systems Operability London, GBR

London, United Kingdom
Bloomberg L.P
language) and a good understanding of software development methodologies, open source systems, and familiarity with Git repositories Process automation experience Expertise in analyzing, diagnosing, and solving problems in a Linux/Unix production environment Ability to build and maintain Linux systems through automation software (e.g. Salt, Chef, Jenkins, Ansible) Eagerness to work within a group and share knowledge We'd More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Infrastructure Engineer - Managed Systems Operability

London, United Kingdom
Bloomberg L.P
language) and a good understanding of software development methodologies, open source systems, and familiarity with Git repositories Process automation experience Expertise in analyzing, diagnosing, and solving problems in a Linux/Unix production environment Ability to build and maintain Linux systems through automation software (e.g. Salt, Chef, Jenkins, Ansible) Eagerness to work within a group and share knowledge We'd More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Cloud Reliability Engineer with Security Clearance

Chantilly, Virginia, United States
Marathon TS Inc
an associate's degree in Engineering or Computer Technology or Advanced Military Training. You have at least 2 years of relevant experience You have experience working with Windows and Linux operating systems. You have experience with distributed computing technologies. You have experience with virtualization technologies (e.g. OpenStack, Citrix XenServer Red Hat Enterprise Virtualization, and/or VMWare), Docker Containers, Ansible … and/or a classified environment. You have a background in supporting software and/or network operations with a clear understanding of networking fundamentals. You have experience with Linux/Unix and Windows operating systems. You hold a current CompTIA Security, CASP or CISP certification. Computing Environment Certification (e.g. Linux, RHCSA, RHCE, MCSA). You are able to effectively More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

TS/SCI Cloud Reliability Engineer (x2) with Security Clearance

Chantilly, Virginia, United States
Marathon TS Inc
an associate's degree in Engineering or Computer Technology or Advanced Military Training. You have at least 2 years of relevant experience You have experience working with Windows and Linux operating systems. You have experience with distributed computing technologies. You have experience with virtualization technologies (e.g. OpenStack, Citrix XenServer Red Hat Enterprise Virtualization, and/or VMWare), Docker Containers, Ansible … and/or a classified environment. You have a background in supporting software and/or network operations with a clear understanding of networking fundamentals. You have experience with Linux/Unix and Windows operating systems. You hold a current CompTIA Security, CASP or CISP certification. Computing Environment Certification (e.g. Linux, RHCSA, RHCE, MCSA). You are able to effectively More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Software Developer

Birmingham, Staffordshire, United Kingdom
Hybrid / WFH Options
National Physical Laboratory
part-time, or flexible options where feasible, depending on the role and business needs. Essential Skills: Engagement with open-source communities and processes. Strong scripting skills, e.g., Python. Basic Linux/Unix environment experience. Understanding of 5G wireless networks. Experience with C/C++ for software development. Familiarity with Git or other version control systems. Basic knowledge of virtualized environments … and networking fundamentals; willingness to learn more. Enthusiasm for learning new programming languages and continuous development. Desirable Skills: Advanced Linux/Unix experience. Knowledge of telecommunications and wireless network concepts, especially O-RAN. Experience with virtualized environments like VMware and Linux-based coding. Development experience with DPDK for high-performance packet processing. Understanding of open-air interface (OAI) and O More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

DevOps Systems Administrator with Security Clearance

Reston, Virginia, United States
Country Intelligence Group
maintenance of existing legacy systems and support the transition to a cloud-native architecture. This role requires expertise in CI/CD automation, container orchestration using Docker and Kubernetes, Linux system administration, and infrastructure-as-code in cloud-agnostic environments. The position will require an additional security scrub prior to onboarding. Tasks Performed: • Automate build, test, and deployment processes using … CD tools. • Deploy and monitor applications using Docker and Kubernetes. • Maintain legacy systems and assist in migrating to cloud-native architecture. • Perform system updates, scripting, and performance tuning on Linux servers. • Provision and manage infrastructure using infrastructure-as-code tools in cloudagnostic environments. • Collaborate in teams and manage code with Git. • Apply security best practices and maintain system monitoring and … years of Kubernetes and Docker experience. • Demonstrated experience in supporting cloud agnostic environments. • Demonstrated experience in integrating automatic test tools into the CI/CD pipeline. • Demonstrated experience with Linux Operating Systems. • Experience developing, implementing and maintaining complex functions and scripts in support of cloud services. • Experience working in an agile environment. • Proficient with Git. • Experience with building security hardened More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Systems Engineer III with Security Clearance

Herndon, Virginia, United States
Cinteot Inc
nodes) and applications both containerized and non-containerized. • Experience in the planning, design, development, implementation and technical support of multi-platform, multi-system networks, including those composed of (Linux-based hardware platforms), to encompass diagnosing performance shortcomings and designing and implementing performance improvements. • Strong Linux command line skills • Active TS/SCI CI Poly • Ability to obtain Security+CE certification (must More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Senior Designated Support Engineer - Lustre / PFS

United Kingdom
Hybrid / WFH Options
DataDirect Networks, Inc
requires flexibility; and also includes a one-week on-call team rotation This employeemust have considerable knowledge of parallel file system operations, disk-based storage systems, operating systems (mostly Linux), networking and troubleshooting technique. Required are strong communication skills, including; ability to connect with customers via phone, virtual meetings and in written correspondences. Minimum Requirements: Must have 7+ years' experience … communication skills (English, second language beneficial). Essential Technical Requirements 7+ years of experience working with Lustre or similar Parallel Filesystems; administration/implementation/support. Strong knowledge of Linux architecture and fundamentals. Good understanding of the technical fundamentals of the system infrastructure including Storage systems Linux operating system Networking Parallel file systems Demonstrable understanding of data storage concepts: RAID More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

3rd Line / Systems Administrator

Nottingham, Nottinghamshire, East Midlands, United Kingdom
Hybrid / WFH Options
Oscar Associates (UK) Limited
making a genuine impact in a business that values technical ownership and continuous evolution. This is a hands-on, senior-level role suited to engineers with strong experience in Linux, VMware, Cisco, and infrastructure automation, ideally in a managed services or hosting environment. Key Responsibilities: Serve as the final escalation point for critical infrastructure incidents and issues Administer and maintain … Linux systems (RedHat, CentOS, Ubuntu) Manage virtualisation environments (VMware vSphere, ESXi, vCenter) Support and configure Cisco network infrastructure (routing, switching, firewalls) Drive improvements through automation (Bash, Python, Ansible, Puppet) Lead infrastructure upgrade and optimisation projects Work closely with internal teams and clients to ensure uptime and performance Contribute to disaster recovery planning, monitoring, and best practice documentation Participate in an … on-call rota What We're Looking For: Proven 3rd line/senior systems admin experience in a hosting or MSP setting Deep understanding of Linux server administration Strong VMware virtualisation skills Cisco networking knowledge (ideally CCNA or equivalent) Experience automating infrastructure with scripting or config management tools Ability to take ownership, troubleshoot end-to-end, and drive real change More ❯
Employment Type: Permanent, Work From Home
Salary: £45,000
Posted:

Infrastructure Specialist

London, United Kingdom
IBM Computing
using your expertise to deliver solutions that meet the needs of our clients and products. In your role you may be responsible for: Required technical and professional expertise RedHat Linux 6 or 7 ( being certified is not essential). Shell scripting experience in Linux/UNIX environment. Knowledge of AWS (EC2, S3, CloudWatch etc) Knowledge of Kubernetes and Terraform Storage More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Engineer with Security Clearance

Aurora, Colorado, United States
RTX
Ability to work in a structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract Linux/Unix, GIT, and SQL experience JIRA, BitBucket and Confluence experience desired Preferred Skills Experience with software configuration management systems such as git or bitbucket Ability to work in a … structured configuration-controlled environment, primarily focused on the support and maintenance of real-time software applications on an Operations and Maintenance (O&M) contract Linux/Unix, GIT, and SQL experience JIRA, BitBucket and Confluence experience desired More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

IT Operations Manager

Leicester, Leicestershire, United Kingdom
Hybrid / WFH Options
Publitek
ll manage a team of support agents serving multiple e-commerce brands, while also overseeing the setup, maintenance, and security of internal systems and servers (across both Windows and Linux environments). This is a hands-on leadership role that combines people management, process optimisation, and technical system administration. The role is based in Leicester, with 4 days a week … quality assurance frameworks. Act as an escalation point for complex customer issues across all brands. IT & Server Infrastructure Manage and maintain internal IT systems and tools across Windows and Linux servers. Ensure system availability, backup protocols, patching, and security policies are consistently enforced. Troubleshoot infrastructure and network issues, and work with vendors or internal teams as needed. Support user access … platforms like Jira, Trello. Manage Office 365 and internal software requirements Collaborate with developers or DevOps teams to support backend processes or integrations with tools like Windows Subsystem for Linux, Git and Ansible. Cross-Functional Collaboration Coordinate with operations, engineering, and client account teams to align tech support and CX goals. Represent support and IT in leadership meetings, contributing to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

IT Operations Lead - Ecommerce

Leicester, Leicestershire, United Kingdom
Hybrid / WFH Options
Publitek
ll manage a team of support agents serving multiple e-commerce brands, while also overseeing the setup, maintenance, and security of internal systems and servers (across both Windows and Linux environments). This is a hands-on leadership role that combines people management, process optimisation, and technical system administration. The role is based in Leicester, with 4 days a week … quality assurance frameworks. Act as an escalation point for complex customer issues across all brands. IT & Server Infrastructure Manage and maintain internal IT systems and tools across Windows and Linux servers. Ensure system availability, backup protocols, patching, and security policies are consistently enforced. Troubleshoot infrastructure and network issues, and work with vendors or internal teams as needed. Support user access … platforms like Jira, Trello. Manage Office 365 and internal software requirements Collaborate with developers or DevOps teams to support backend processes or integrations with tools like Windows Subsystem for Linux, Git and Ansible. Cross-Functional Collaboration Coordinate with operations, engineering, and client account teams to align tech support and CX goals. Represent support and IT in leadership meetings, contributing to More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Software Test Engineer

Milton Keynes, Buckinghamshire, United Kingdom
Endeavour Recruitment Solutions
Technologies: C++ Python TCP/IP networking Test Plans Test Execution Linux Server windows server QA ISTQB AWS Services system programming owasp security VMware debugging skills multithreaded software A Software Test Engineer is required to join the software QA test team of our Buckinghamshire based client, a manufacturer of software for the telecommunications and speech processing market. This is a … or more of the following languages o C o C++ o Python • A good knowledge of TCP/IP networks and how to configure their setup • Experience working with Linux and Windows servers at an administration level If this sounds like you, send us your CV or get in touch ASAP for more info More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Security Classification Assessor Test Engineer (SCATE) Level 1 with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers Software integration of COTS and Government Off-the-Shelf (GOTS) products Windows, Linux, Unix, and Mac OS X administration VMware, Xen, Hyper V and other virtualization platforms Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer 4 - Red Team with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers • Software integration of COTS and Government Off-the-Shelf (GOTS) products • Windows, Linux, Unix, and Mac OS X administration • VMware, Xen, Hyper V and other virtualization platforms • Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems • Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer I - Red Team with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers • Software integration of COTS and Government Off-the-Shelf (GOTS) products • Windows, Linux, Unix, and Mac OS X administration • VMware, Xen, Hyper V and other virtualization platforms • Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems • Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer (SCATE) Level 2 with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers Software integration of COTS and Government Off-the-Shelf (GOTS) products Windows, Linux, Unix, and Mac OS X administration VMware, Xen, Hyper V and other virtualization platforms Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer (SCATE) Level 3 with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers Software integration of COTS and Government Off-the-Shelf (GOTS) products Windows, Linux, Unix, and Mac OS X administration VMware, Xen, Hyper V and other virtualization platforms Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer 2 - Red Team with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers • Software integration of COTS and Government Off-the-Shelf (GOTS) products • Windows, Linux, Unix, and Mac OS X administration • VMware, Xen, Hyper V and other virtualization platforms • Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems • Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Security Classification Assessor Test Engineer 3 - Red Team with Security Clearance

Chantilly, Virginia, United States
LV8D Solutions
server, web hosting, web content servers, policy servers, directory servers, firewalls, WAN, MAN, LAN, switches, and routers • Software integration of COTS and Government Off-the-Shelf (GOTS) products • Windows, Linux, Unix, and Mac OS X administration • VMware, Xen, Hyper V and other virtualization platforms • Configuring and supporting Windows, Linux, Unix, Mac OS, and other operating systems • Configuring and supporting VMware More ❯
Employment Type: Permanent
Salary: USD Annual
Posted:

Java Engineer - Equity Volatility in London - Millennium

London, United Kingdom
WorksHub
developer with a good understanding of pricing and risk functionalities of trading systems. Excellent communication skills and being a team player are essential. Experience working in a Unix/Linux environment is required. Experience with cloud and containerization technologies is a plus. Principal Responsibilities Build and maintain real-time equities pricing and risk systems Potentially code in and learn UI … Design Patterns, Unit & Integration testing Experience with distributed caching and replication technologies Experience with equities, derivatives, convertibles is preferred Knowledge of Python is a plus Knowledge of Unix/Linux Knowledge of Agile/Scrum development methodologies Front-end UI technologies such as JavaScript and HTML5 are desirable B.S. in Computer Science, Mathematics, Physics, or Financial Engineering Demonstrates thoroughness and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Systems Administrator - multiple levels - CLEARANCE and POLYGRAP with Security Clearance

Maryland, United States
Constellation Technologies Inc
Linux, Windows, VMWare, Active Directory, Security+, Server Maintenance, Networking Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen. Must have TS/SCI clearance w/active polygraph. Last Polygraph Must be Within Last five (05) Years At least seven … a bachelor's degree. Previous experience as a systems administrator. Current Security+ Certification Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory. Must have experience with Linux and Microsoft-based servers and workstations. Must have experience with software/hardware deployment, patches, and operating systems, basic system backup and restore functions. Must have experience with and/… direct experience providing assistance to end users (Tier 1, 2 Support). Must have experience optimizing system operations. Must have experience or familiarity with the following systems: Windows/Linux operating systems, VMware, and Networking: Switches, Routers, LANs, & cabling. $172,000 - $210,000 a year The pay range for this job, with multi-levels, is a general guideline only and More ❯
Employment Type: Permanent
Salary: USD 210,000 Annual
Posted:
Linux
10th Percentile
£32,500
25th Percentile
£43,000
Median
£60,000
75th Percentile
£80,000
90th Percentile
£100,000