Principal Systems Administrator Linux

Themis Insight; Laurel (MD); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Health, dental, and vision insurance

401(k) employer contributions

Paid time off: holidays + PTO

Career development opportunities

Employee referral bonuses

Job summary

Themis Insight seeks a Principal Systems Administrator (Linux) in Laurel, MD. You will lead Linux administration across OpenStack, AWS, and VMWare platforms, focusing on VM management, security, and DevOps tasks in a customer-facing environment.

Ideal candidates have extensive Linux experience, Ansible exposure, and certifications (Security+). The role requires collaboration with development teams and customers to deliver robust infrastructure solutions.

Qualifications

• Fifteen (15) years of SA experience in similar scope is required.
• Strong Linux troubleshooting skills.
• Ansible experience or exposure.
• Experience managing and securing VMs (STE/STN).
• Active Security+ certification for all infrastructure team members.

Responsibilities

• Manage server certificate life cycle and monitor VM health.
• Administer production Linux VMs and Kubernetes clusters across platforms.
• Collaborate with customers and development teams to support product needs.
• Perform DevOps tasks using Ansible and monitor clusters with Rancher or kubectl.

Skills

Linux administration

Ansible

VM management

Kubernetes

Security+ certification

Education

Bachelor's degree in a technical discipline

Tools

OpenStack

AWS (EC2)

VMware

Rancher

kubectl

YUM

Job 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. We are hiring a Principal Systems Administrator (Linux) 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:

• Be a part of an Infrastructure team working both together and independently on tasks needed to support customer requirements and development team needs. We work across multiple hosting platforms (OpenStack, AWS, and VMWare), but only support Linux VMs. This position allows you to learn a lot about the product as well as dive deep into area of VM Management/DevOps that appeal to you.
• Applicants who do well would have a strong background in Linux and who can bring previous relevant Sys Admin experience to the project while also maintaining a learning mode approach.

Essential Duties and Responsibilities:

• Typical Sys Admin tasks - Server Certificate life cycle, monitoring VM health status, update software on VMs (manually and through YUM repos), making sure VMs satisfy latest security requirements set by the Enterprise.
• Monitoring and manage production Linux VMs - stand-alone VMs and those integrated in a Kubernetes cluster - across multiple hosting platforms.
• Work with customers and development team to support product needs. Including trivial changes (i.e., VM name changes) to significant efforts (i.e. new cluster builds).
• Some Dev Ops tasks including running and maintaining Ansible playbooks to push out changes to VMs and monitoring the Kubernetes clusters through Rancher or kubectl commands to ensure the clusters nodes and pods are healthy and running smooth.

Individual Capabilities/Experience Required:

• Fifteen (15) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree.
• Strong Linux skills including troubleshooting
• Ansible experience or exposure
• Experience managing and securing VMs (STE/STN)
• Active Security + Certification for all members of the infrastructure team

Individual Capabilities/Experience Desired:

• CentOS or RHEL Experience
• PKI Certificate/Server Certificate Setup
• Kubernetes experience AWS Experience (e.g. EC2, RDS, etc.)
• OpenStack Exposure
• VMWare Exposure
• Team player but can work on tasks independently
• Git Experience - push, pull, commit changes to a repo

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

Themis Insight is an Equal Opportunity/Affirmative Action employer.

Themis 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.

This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.