We 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.
Required: TS/SCI with a Polygraph
Description: Work 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.
Essential Duties and Responsibilities: - Server Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements
- Monitoring and managing production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster - across multiple hosting platforms
- Maintain 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)
- Troubleshoot production Linux VMs and Kubernetes clusters, ensuring node and pod health through Rancher or Kubernetes
- Support Apache NiFi deployments-performing configuration updates, monitoring dataflows, and resolving connectivity or resource-related issues
- Manage the full certificate lifecycle (server and PKI), ensuring systems meet current security and compliance standards (STIG/SSP)
- Perform software updates, patching, and system hardening through YUM and enterprise repositories
- Work directly with development teams and end users to deliver operational support ranging from basic configuration changes to complex cluster builds
- Analyze logs, troubleshoot performance issues, and identify root causes of VM, container, or application-level problems
Individual Capabilities/Experience Required:- All 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.
- Troubleshooting experience (VM & application logs & tracking down sources/causes of VM or application issues)
- Strong Linux skills (RHEL 8/9)
- Experience with Kubernetes, Docker, and Rancher for containerized workloads
- Familiarity with Apache NiFi or similar data integration tools
- Working knowledge of Ansible for automation and configuration management
- Hands-on experience managing VMs in OpenStack, VMware, or AWS
- Ability to troubleshoot SSH, performance, and network-related issues in Linux environments
- Experience applying security hardening (STIG, STE/STN) and maintaining compliance documentation (SSP)
- Experience with network flow monitoring tools
- Monitoring and managing production Linux VMs
- Active Security + Certification
Individual Capabilities/Experience Desired:- RedHat certification
- Knowledge of Python
- MongoDB, Kubernetes (Docker)
- Familiar with Riverbed Technology
Themis Insight has all the PERKS!You 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.
- Competitive health, dental, and vision plans with 100% paid premiums.
- 401k: We contribute 6% even if you don't!
- Time Off: 11 standard holidays, and 25 days of PTO
- Career Development: Get career counseling and individualized career development plans, including education and training.
- Employee referral bonuses for successful hires
