DevOps Platform Engineer, Linux Systems Administrator

ABSC (Absolute Business Solutions Corp.)

. Deploy, configure, monitor, troubleshoot, patch, upgrade, and maintain a production platform built on Kubernetes, Elasticsearch, Kafka, Redis, and related shared services .

Posted 11/6/2026full-timeBethesda • Maryland • United StatesJuniorMid-Level💰 $90,000 - $170,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in deploying and managing Kubernetes-based platforms, with strong capabilities in Linux administration, infrastructure automation, and platform security. Proficient in troubleshooting complex systems and collaborating with cross-functional teams to ensure high availability and performance.

Highest-signal resume keywords

Kubernetes AdministrationLinux System AdministrationInfrastructure Automation with TerraformPlatform Security PracticesActive TS/SCI Clearance

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

KubernetesLinuxTerraformAnsibleHelmPythonBashKafkaElasticRedis

Soft Skills

Strong Troubleshooting SkillsAnalytical SkillsCommunication Skills

Tools & Technologies

HelmTerraformAnsibleBashKafkaSaltGitLabNexusArgo CDAPI Gateways

Certifications & Qualifications

DoD 8140 IAT Level IISecurity+ CECySA+Privileged User Account Certification

Industry Keywords

Agile MethodologiesBig Data PipelineProduction PlatformMonitoringObservability

Tech Stack

Tools & technologies

AnsibleElasticSearchGroovyJavaKafkaKubernetesLinuxPythonRedisSaltStackTerraformTypeScript

About the role

Key responsibilities & impact

Deploy, configure, monitor, troubleshoot, patch, upgrade, and maintain a production platform built on Kubernetes, Elasticsearch, Kafka, Redis, and related shared services
Administer Linux-based applications and systems, including installation, configuration, hardening, performance analysis, and operational troubleshooting
Troubleshoot pod failures, networking issues, image pulls, scheduling constraints, certificates, storage, and application connectivity
Use Helm or comparable tools to manage Kubernetes application packages and configuration
Support shared platform services such as Elastic, Redis, message queues, API gateways, and other distributed services
Integrate platform services with physical and virtual infrastructure to maintain availability, reliability, security, and performance
Design and support scalable and redundant application infrastructure across physical and virtual environments
Develop and maintain infrastructure and platform automation using Terraform, Ansible, Helm, Bash, Python, or comparable tools
Implement platform security, monitoring, logging, observability, capacity management, and DevOps best practices
Contribute to engineering documentation, diagrams, models, Agile release planning, scrums, design sessions, and bug triage
Work closely with Government stakeholders and cross-functional engineering teams
Operate the Kubernetes-based application platform and shared runtime services supporting a production big-data pipeline

Requirements

What you’ll need

Bachelor’s degree in Engineering, Computer Science, Systems Engineering, or a related field with four or more years of relevant experience, or a master’s degree with two or more years of relevant experience; equivalent experience may be considered in lieu of a degree
Active TS/SCI clearance with the ability to obtain and maintain a CI polygraph
Current DoD 8140 IAT Level II or higher certification, such as Security+ CE or CySA+
Ability to obtain Privileged User Account certification as required by DoD 8140 policy
Hands-on experience administering and operating Kubernetes
Experience using Helm or a comparable Kubernetes package and configuration-management tool
Experience administering and troubleshooting Linux from the command line, including processes, filesystems, networking, permissions, logs, certificates, and system resources
Experience supporting at least one shared data or application platform service, such as Elastic, Redis, message queues, or API gateways
Familiarity with infrastructure and platform automation tools
Working knowledge of platform-security and observability practices
Ability to create and maintain clear technical documentation
Strong troubleshooting, analytical, and communication skills
Knowledge of Agile methodologies
Development or scripting experience with Bash, PowerShell, Salt, Python, Groovy, or Java
Experience with Kafka or another messaging platform
Experience supporting GPU-based Kubernetes environments
Experience with Salt, Helmfile, GitLab, Nexus, or Argo CD

Benefits

Comp & perks

Generous PTO plus 11 Federal Holidays
Retirement Planning – 401k Fully Vested with Match
Annual Health and Wellness Allowance – buy an Apple Watch, a treadmill, or hit the gym on us
Career Development – Annual Funds to spend on Education and Training
Volunteer Time Off – Annually, all employees can spend 8 hours directly supporting a charity of choice
Charitable Match – ABSC matches an employee’s donation to a qualifying charity
Referral Program – We pay for internal and external referrals
LOV Awards – Earn bonus awards throughout the year from our Living Our Values awards program
Generous external referral bonuses