Senior Linux Sysadmin - Kubernetes & Security Focus
Elenchus Technologies
Elenchus Technologies in Annapolis, MD is seeking a senior Linux System Administrator/Engineer for a contractor role supporting an IC-wide mission environment. The candidate will manage CentOS/RHEL Linux admin tasks, operate in a Kubernetes-based environment, and apply security best practices. Required: Security+ certification; Kubernetes experience with tooling and container fundamentals. Desired: Red Hat Certification, Python/Ansible/Salt, VMware, Agile/DevOps, encryption tech; SYS3 privacy #J-18808-Ljbffr Elenchus Technologies
$140k - $215k
...and we've redefined modern security with the world's most advanced... ...passion, a relentless focus on innovation and a fanatical... ...is seeking a highly skilled Senior Linux Systems Engineer to design,... ...including hands-on usage with Kubernetes-native, AWS S3-compatible object...SeniorRemote jobWork experience placementWork at officeLocal area- VTG seeks an experienced Senior Systems Administrator to support mission‑critical IT systems with a strong Linux background. The role involves configuring, troubleshooting... ...Windows servers, plus supporting Kubernetes environments and secure networks in challenging operational...SeniorRelocation package
- Peraton is hiring a Senior Linux Systems Administrator/TTO Lead in the Annapolis Junction area. The role focuses on information security solutions, vulnerability assessments, and enterprise security services. The candidate should have leadership experience and strong collaboration...Senior
- Position Summary Buchanan Technologies is seeking a Senior Linux Administrator for a long-term, onsite contract-to-hire opportunity in the... ...who bring strong technical expertise, a customer-focused mindset, and the ability to succeed in complex enterprise environments...SeniorLong term contractLocal areaRemote work
- Anduril Industries seeks a Senior Systems Administrator to independently manage Windows and Linux systems in classified environments. You will oversee AD, GPOs, patching, and security, while mentoring junior staff and leading complex change control initiatives. The role...Senior
- ## About the roleJob Title: Senior Red Team Operator / SMEJob Category... ...; maintains operational security; and ensures evidence, reports... .../Entra ID, Windows and Linux tradecraft, cloud attack paths... ...cloud tradecraft, container/Kubernetes security, or hybrid-enterprise...SeniorFull timeRemote work
- ...Principal Security EngineerAs a Principal Security Engineer at JPMorganChase... ...with a security engineering focus, and drive impact within... ...peer leaders and senior stakeholders across the business... ...capabilities across large-scale Kubernetes or containerized environmentsPreferred...
- ...description The project is focused on improving the security, release reliability,... ...cadence.The role combines senior software engineering, DevOps... ...knowledge of OpenShift, Kubernetes, or comparable container platforms... .... Competence in Linux command-line tools and production...Senior
$106.8k - $160.2k
...of mission-enabling solutions for global security. We have a wide portfolio of secure, affordable... ...is looking for you to join our team as a Senior Principal Contract Administrator based... ...conducted in classified environments, focused on programs conducting cybersecurity services...SeniorContract workWork experience placementRelocationShift work- Job#: 3046773 Job Description: Senior Systems Administrator Location:... ...for a mission-critical network, focusing on Linux systems, container orchestration like Kubernetes, and automation tools such as... ...and ensuring the architecture, security, and performance of systems and...Senior
$146.4k - $263.6k
...Join our innovative team Our Linux Performance team is a specialized... ...quickly and correctly. As a Senior II Software Engineer, you will... ...work faster and stay more secure, making the internet a better experience for everyone. Our focus is simple: Cloud and Edge: Running...SeniorWork experience placementWork at office- ...Systems Administrator to support a long-term DoD Navy program, focusing on enterprise infrastructure, systems administration,... ...role is 100% onsite in Norfolk, VA, working with Windows/Linux servers and security compliance. The position requires active Secret clearance,...
- ...alternative application process. Information Security Analyst Senior Full Time Professional Colorado... ...Experience working with Windows and Linux operating systems, Active Directory, networking... ...deadlines in a fast-paced, mission-focused environment. Ability to work...SeniorFull timeContract workFor contractorsWork at office
- Akumen, Inc. in Washington, DC, is seeking an experienced Database Administrator to support the administration, performance, security, and availability of mission-critical database environments supporting federal government systems. The DBA will maintain reliable operations...Senior
$38.91 - $56.47 per hour
...or an alternative application process. Senior Systems Administrator Full Time Technical... ...availability, performance, reliability, security and compliance. Develops solutions in accordance... ...implementing and maintaining Windows and Linux Server operating systems. Experience in...SeniorHourly payFull timeTemporary workWork experience placementWork at office$250k - $275k
...faster. And because Tines is secure and private by design, it’s popular... ...finance, and other security-focused teams. At Tines, we're... ...our journey. We're seeking a Senior Manager, Product Security to... ...technologies such as Docker and Kubernetes. Working knowledge of modern...SeniorRemote jobWork visa- CrowdStrike is seeking a Senior Linux Systems Engineer to design, build, and maintain a complex multi-cloud object store across 3,0... ...solutions in a critical production environment, with a strong focus on security and reliability. This role supports remote work and...SeniorRemote work
- ...Grumman Space Systems seeks a high-energy Senior Manager Level 3 (M3) of Business... ...for ISR satellite portfolios and national security programs. The role bridges engineering and... ...management (NCTA, B&P, IRAD budgets) with a focus on RF systems and payload concepts, and requires...Senior
- Strava is seeking a Senior Manager, Detection & Response to own and scale security monitoring, incident response, recovery, and threat hunting across both our product... ..., Product Security, IT, and Engineering, and focuses on automating detection, improving telemetry, and...Senior
- Blue Ops, Inc. in Valdosta, GA is seeking a Senior Systems Administrator to own the reliability, security, and performance of IT infrastructure across Microsoft 365, cloud, on‑premises, endpoint, identity and collaboration platforms. This hands-on role requires independent...Senior
- ...Delinea: Delinea is a pioneer in securing human and machine identities... ...Summary Delinea is seeking a Senior Product Manager to join our product... ...solutions, with a primary focus on our endpoint privilege... ...operating systems (Windows, macOS, Linux), and enterprise IT...SeniorRemote workFlexible hours
- Munger, Tolles & Olson LLP is seeking a Talent Systems Administrator to manage Workday and related HRIS systems, ensuring security, data integrity, and optimal performance. The role emphasizes system configuration, module design, and ongoing maintenance across HR functions...Senior
- ...administer CICS, IMS, MQ, and Db2, and collaborate with storage, security, and capacity teams to ensure high availability. Experience in... ...7 production support and on-call coverage apply, with a strong focus on disaster recovery and resilience. #J-18808-Ljbffr...Senior
- Fusion is seeking an IT Systems Administrator to own the administration, maintenance, security, and reliable operation of our Windows-based infrastructure. The role covers on‑premises and Azure cloud, with hybrid work from Woodbridge, NJ. You will manage Active Directory...Senior
- ...proposal methodology creation. The position emphasizes assisting senior consultants and producing research and reports. The ideal... ...Degree and shows strong analytical and communication skills, with a focus on information technology and accountability. This entry-level opportunity...Senior
- National Information Solutions Cooperative, Inc. in Georgia is seeking a Senior Infrastructure Security/Systems Engineer to design, deploy, and maintain enterprise infrastructure across UNIX/Linux and Windows environments, including network, security architectures, and...Senior
$75k - $80k
...Administrator to support a long-term DOD program focused on Navy enterprise infrastructure, systems administration... ...physical and virtual server environments, Windows/Linux operating systems, enterprise infrastructure, security compliance, system patching, and automated...- ...to plan and execute tailored campaigns, build multi-stakeholder plays, and align marketing with account priorities across digital, content, demand generation, and events. Requires 6+ years in ABM and SaaS marketing; ROI-focused mindset. #J-18808-Ljbffr NextGenEnergyJobsSeniorRemote job
- ...join the DNS Operations team. The role focuses on 24x7 production DNS support for the Salesforce... ...maintenance. You will work with Linux systems, Python tooling, and cloud platforms... .../dns knowledge, and experience with Kubernetes, Terraform, and CI/CD pipelines. #J-188...Senior
- Outtake inc. is seeking a senior product designer to join as the third designer, rapidly owning a product area while leading horizontal... ...novel UX challenges around managing autonomous agents and security-focused data interactions. You’ll craft workflows, information...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Linux Sysadmin - Kubernetes & Security Focus. Be the first to apply!
- senior linux systems engineer Brooklyn, NY
- linux administrator Brooklyn, NY
- linux systems administrator Brooklyn, NY
- linux engineer Brooklyn, NY
- unix linux systems engineer Brooklyn, NY
- linux developer Brooklyn, NY
- senior facilities maintenance technician Brooklyn, NY
- senior operations technician Brooklyn, NY
- senior operations associate Brooklyn, NY
- senior cloud service delivery manager Brooklyn, NY

