6+ YOEBS+6 years (or equivalent) required, Top Secret clearance, proven Linux systems engineering experience with RedHat/RHEL, Ansible/Puppet automation, virtualization, and support for secure RMF environments.
Austin or Boulder or Chicago or London or New York City
$150k-$250k/yrOnsiteFull Time
Hudson River Trading: A quantitative firm using technology to trade global financial markets.
7+ YOE7+ years supporting live production trading environments; expert Linux administration; experience with SaltStack/Puppet/Ansible/Chef/CFEngine; advanced automation with Python and bash; production troubleshooting, benchmarking, and on-call support.
Casa Bonita: Iconic Mexican restaurant and entertainment destination with cliff diving.
Prior performance experience required; must be 18+, able to perform in costumes/puppets, communicate in English, tolerate physical demands, and work required evenings/weekends.
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
3+ YOERequires Top Secret/SCI with CI polygraph and U.S. citizenship. Typically a bachelor\u0002s in CS or related field with 3+ years experience; experience with Kubernetes, Grafana, configuration management, CI/CD, OS administration, and system monitoring required.
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
Requires active Top Secret (ability to obtain TS/SCI w/ Poly), substantial OOP and enterprise application experience, microservices, cloud and containerization, CI/CD, scripting, Linux, and DevSecOps knowledge. US citizenship required.
DatadogNASDAQ: DDOG: Observability and security platform for cloud applications and infrastructure.
Hands-on IT operations experience, expertise with AWS/Azure/GCP, scripting (Python, Javascript, Ruby, Perl, Go, PHP), CI/CD, containerization (Docker, Kubernetes, Rancher), Datadog experience, TAM experience supporting mid-market/enterprise, and ability to travel up to 30%.
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
5+ YOEBachelor's degree and 5+ years' systems engineering experience; US citizenship, active Secret clearance, ability to obtain TS/SCI; experience with cloud (AWS/Microsoft Azure/Google Cloud), virtualization, infrastructure automation, networking/security tools; relevant IT certifications desirable.
AWS, Microsoft Azure, Google Cloud, VMware, Microsoft Hyper-V, Puppet, Ansible, Terraform, Splunk, Tenable
ParsonsNYSE: PSN: Provides engineering and technology services for infrastructure and defense.
2+ YOEActive Top Secret clearance, Security+ certification, 2+ years IT experience, RHEL and Windows administration, VMware/virtualization, networking fundamentals, troubleshooting, and cybersecurity reporting support.
Red Hat Enterprise Linux, Microsoft Windows, VMware vSphere/ESXi, KVMoIP, Elastic, Chef, Puppet, Ansible, Python, Bash
Cloud and Infrastructure Systems Administrator - Linux admin
Denver, Colorado, United States
$83k-$174k/yrOnsiteFull Time
CACINYSE: CACI: Provides information technology and professional services to government clients.
7+ YOEDoD 8570 IAT Level II (Security+ or CISSP) or willingness to obtain; BS in CS/IT; 7+ years Linux server/desktop administration and network troubleshooting; DevOps knowledge; willingness to learn.
Sierra Space: Develops spacecraft and infrastructure for orbital and space transportation
5+ YOEBachelor's degree or equivalent, typically 5+ years experience, expertise in one or more programming languages, ability to design/architect complex systems, Agile experience, mentoring ability.
Crusoe: Provides energy-efficient cloud infrastructure powered by stranded and renewable energy.
3+ YOE3+ years MDM/endpoint experience; proficiency with Jamf and Microsoft Intune, OSQuery, CrowdStrike, Okta, Entra ID; scripting in Bash/Python/PowerShell; certificate infrastructure knowledge; bachelor’s or equivalent.
Jamf, Kandji, Microsoft Intune, Apple Business Manager (ABM), Windows Autopilot, OSQuery, CrowdStrike, Okta, Entra ID, CIS Benchmarks, SOC 2, EDR, SIEM, Bash, Python, PowerShell, Absolute, Jamf Pro, Jamf Protect, Microsoft Defender for Endpoint, Fleet, Puppet
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
Sierra Nevada Corporation: Develops mission-critical aerospace and national security technology systems.
2+ YOE2+ years DevOps experience; Bachelor's in CS/IT or equivalent experience; proficiency with CI/CD tools, cloud platforms, scripting, containerization; active or ability to obtain Top Secret U.S. security clearance required.
Vantor: Providing AI-powered spatial intelligence and high-resolution Earth observation.
8+ YOEMust hold active TS/SCI clearance and pass CI polygraph; Bachelor’s in Information Systems or related; 8+ years industry experience; experience with CI/CD, infrastructure-as-code, container orchestration, Linux administration, Git, and Agile.