{"schemaVersion":"jobsearcher.job.v1","id":"e958110e3eca95e0f44e8e8c","url":"https://jobsearcher.com/jobs/e958110e3eca95e0f44e8e8c","canonicalUrl":"https://jobsearcher.com/jobs/e958110e3eca95e0f44e8e8c","title":"Application Engineer 4 (Linux/DevOps)","description":"Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.\n\nWe are hiring an Application Engineer 4 (Linux/DevOps) to work in Laurel, MD. Position location is subject to change based on central MD client's needs.\n\nRequired: TS/SCI with a Polygraph\n\nDescription:\n\nWork across multiple hosting platforms supporting Linux VMs. This position allows you to learn about the product as well as dive deep into area of VM Management/DevOps.\n\nEssential Duties and Responsibilities:\n\nServer Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements\nMonitoring and managing production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster – across multiple hosting platforms\nMaintain Ansible playbooks to push out changes to VMs and monitor the Kubernetes clusters through Rancher or Kubernetes commands to ensure the clusters nodes and pods are healthy and running smooth. Administer, secure, and maintain Linux virtual machines (RHEL 8/9) across multiple cloud platforms (OpenStack, VMware, AWS)\nTroubleshoot production Linux VMs and Kubernetes clusters, ensuring node and pod health through Rancher or Kubernetes\nSupport Apache NiFi deployments—performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues\nManage the full certificate lifecycle (server and PKI), ensuring systems meet current security and compliance standards (STIG/SSP)\nPerform software updates, patching, and system hardening through YUM and enterprise repositories\nWork directly with development teams and end users to deliver operational support ranging from basic configuration changes to complex cluster builds\nAnalyze logs, troubleshoot performance issues, and identify root causes of VM, container, or application-level problems\n\nIndividual Capabilities/Experience Required:\n\nAll experience and education will be in a technical field directly related to the labor category being proposed and all diplomas, GED certificates, and degrees will be from accredited institutions. Twelve (12) years minimum experience and a High School Diploma/GED. Ten (10) years minimum experience and an Associate's Degree. Eight (8) years minimum experience and a Bachelor's Degree. Six (6) years minimum experience and a Master's Degree. Four (4) years minimum experience and a Doctorate's Degree.\nTroubleshooting experience (VM & application logs & tracking down sources/causes of VM or application issues)\nStrong Linux skills (RHEL 8/9)\nExperience with Kubernetes, Docker, and Rancher for containerized workloads\nFamiliarity with Apache NiFi or similar data integration tools\nWorking knowledge of Ansible for automation and configuration management\nHands-on experience managing VMs in OpenStack, VMware, or AWS\nAbility to troubleshoot SSH, performance, and network-related issues in Linux environments\nExperience applying security hardening (STIG, STE/STN) and maintaining compliance documentation (SSP)\nExperience with network flow monitoring tools\nMonitoring and managing production Linux VMs\nActive Security + Certification\n\nIndividual Capabilities/Experience Desired:\n\nRedHat certification\nKnowledge of Python\nMongoDB, Kubernetes (Docker)\nFamiliar with Riverbed Technology\n\nThemis Insight has all the PERKS!\n\nYou are our most valuable resource — your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.\n\nCompetitive health, dental, and vision plans with 100% paid premiums.\n401k: We contribute 6% even if you don't!\nTime Off: 11 standard holidays, and 25 days of PTO\nCareer Development: Get career counseling and individualized career development plans, including education and training.\nEmployee referral bonuses for successful hires\n\nThemis Insight is an Equal Opportunity/Affirmative Action employer.\n\nThemis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.\n\nThis policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.","company":"Themis Insight","rawCompany":"themis insight","city":"Laurel","state":"MD","isRemote":false,"isActive":false,"createdAt":"2026-08-28T10:18:38.102Z","occupations":[{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1244.00","title":"Network and Computer Systems Administrators","slug":"network-and-computer-systems-administrators"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541519","title":"Other Computer Related Services","slug":"other-computer-related-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Application Engineer 4 (Linux/DevOps)","description":"Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.\n\nWe are hiring an Application Engineer 4 (Linux/DevOps) to work in Laurel, MD. Position location is subject to change based on central MD client's needs.\n\nRequired: TS/SCI with a Polygraph\n\nDescription:\n\nWork across multiple hosting platforms supporting Linux VMs. This position allows you to learn about the product as well as dive deep into area of VM Management/DevOps.\n\nEssential Duties and Responsibilities:\n\nServer Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements\nMonitoring and managing production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster – across multiple hosting platforms\nMaintain Ansible playbooks to push out changes to VMs and monitor the Kubernetes clusters through Rancher or Kubernetes commands to ensure the clusters nodes and pods are healthy and running smooth. Administer, secure, and maintain Linux virtual machines (RHEL 8/9) across multiple cloud platforms (OpenStack, VMware, AWS)\nTroubleshoot production Linux VMs and Kubernetes clusters, ensuring node and pod health through Rancher or Kubernetes\nSupport Apache NiFi deployments—performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues\nManage the full certificate lifecycle (server and PKI), ensuring systems meet current security and compliance standards (STIG/SSP)\nPerform software updates, patching, and system hardening through YUM and enterprise repositories\nWork directly with development teams and end users to deliver operational support ranging from basic configuration changes to complex cluster builds\nAnalyze logs, troubleshoot performance issues, and identify root causes of VM, container, or application-level problems\n\nIndividual Capabilities/Experience Required:\n\nAll experience and education will be in a technical field directly related to the labor category being proposed and all diplomas, GED certificates, and degrees will be from accredited institutions. Twelve (12) years minimum experience and a High School Diploma/GED. Ten (10) years minimum experience and an Associate's Degree. Eight (8) years minimum experience and a Bachelor's Degree. Six (6) years minimum experience and a Master's Degree. Four (4) years minimum experience and a Doctorate's Degree.\nTroubleshooting experience (VM & application logs & tracking down sources/causes of VM or application issues)\nStrong Linux skills (RHEL 8/9)\nExperience with Kubernetes, Docker, and Rancher for containerized workloads\nFamiliarity with Apache NiFi or similar data integration tools\nWorking knowledge of Ansible for automation and configuration management\nHands-on experience managing VMs in OpenStack, VMware, or AWS\nAbility to troubleshoot SSH, performance, and network-related issues in Linux environments\nExperience applying security hardening (STIG, STE/STN) and maintaining compliance documentation (SSP)\nExperience with network flow monitoring tools\nMonitoring and managing production Linux VMs\nActive Security + Certification\n\nIndividual Capabilities/Experience Desired:\n\nRedHat certification\nKnowledge of Python\nMongoDB, Kubernetes (Docker)\nFamiliar with Riverbed Technology\n\nThemis Insight has all the PERKS!\n\nYou are our most valuable resource — your ambition, your knowledge, your creativity. We offer an industry-leading set of benefits to supplement your normal salary compensation. Themis Insight has you covered with flexible ways to balance work and home life, full health benefit premium coverage, and generous contributions toward your retirement.\n\nCompetitive health, dental, and vision plans with 100% paid premiums.\n401k: We contribute 6% even if you don't!\nTime Off: 11 standard holidays, and 25 days of PTO\nCareer Development: Get career counseling and individualized career development plans, including education and training.\nEmployee referral bonuses for successful hires\n\nThemis Insight is an Equal Opportunity/Affirmative Action employer.\n\nThemis Insight provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.\n\nThis policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.","datePosted":"2026-08-28T10:18:38.102Z","dateModified":"2026-08-28T10:18:38.102Z","hiringOrganization":{"@type":"Organization","name":"Themis Insight","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Laurel","addressRegion":"MD","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"e958110e3eca95e0f44e8e8c"},"url":"https://jobsearcher.com/jobs/e958110e3eca95e0f44e8e8c"}}