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Peraton · 2 months ago

Mid-level Linux Infrastructure Systems

US-VA-Chantilly

Full-time

Onsite

Mid Level

$104K/yr - $166K/yr

3+ years exp

Peraton is a next-generation national security company that drives missions of consequence spanning the globe. They are seeking a Mid-level Linux Infrastructure Systems Engineer to support the Department of Defense by contributing to the design, development, testing, and deployment of complex systems in an Agile environment.

Information TechnologyRobotics

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Work closely with team to support DoD customer and stakeholders throughout system lifecycle in development, integration & test, deployment, and operations of a highly sophisticated ground system architecture

Help build mission-critical, highly available, high-performance networked systems in a team-oriented environment. Build and deploy cloud instances and applications utilizing automation tools to streamline processes and improve efficiency

Develop deployment and maintenance Ansible playbooks for the purpose of automating rapid installation and system patching within multiple large-scale environments

Develop systems engineering-related documentation to include operational concept, requirements, specifications, interface control documents, and validation & verification plans

Conduct system planning and design for expansion of these resources to meet program needs

Support ground system related trade studies

Qualification

LinuxAnsibleScripting languagesRHEL 8.xKubernetesGitDatabase managementIdentityAccess ManagementSystem monitoring toolsCommunication skillsInterpersonal skillsDetail oriented

Required

This position requires the candidate possess a minimum of Top-Secret clearance with the ability to obtain TS/SCI. The candidate must maintain the clearance

Bachelor's degree in Engineering, Computer Technology or related field and 5+ years of experience; OR Master's degree in Engineering, Computer Technology or related field and 3+ years of experience. An additional four (4) Equivalent experience in lieu of a degree will be considered

Candidate must meet DoD 8140 foundational requirements for a System Developer work role with a proficiency of intermediate or above

Hands-on experience with Linux and Windows-based operating systems to include a deep, core understanding of the operating systems' concepts and functionality, experience building and configuring systems from scratch, experience troubleshooting functionality, and performing all functions leveraging automation tooling where possible

Experience in installing, configuring, and deploying services from scratch to include configuration of security, certificate, and authentication settings following industry standard best practices

Experience creating, modifying, and troubleshooting Ansible playbooks for system configuration and system sustainment activities (e.g. patching)

Experience in the use of scripting languages such as Ansible, Bash, or Python for task automation such as package installation and configuration across an array of physical and/or virtual hosts

Experience using Git to include collaboration, configuration management tracking, and code review facilitation

Experience creating & updating process documentation to include infrastructure deployments, application installation, and system sustainment activities

Direct experience with host/application integration into an Identity and Access Management (IDAM) system such as Active Directory, FreeIPA, or other similar systems, including deploying PKI infrastructure & troubleshooting PKI related issues

Strong, direct experience with RHEL 8.x and above (or similar Linux OS) to include building systems up from bare metal, performing software package installation and update, operating system configuration, and application troubleshooting

Strong, direct experience troubleshooting application & system level issues caused by PKI configuration, networking, firewalls, or other similar OS/infrastructure layers

Familiarity in leveraging automation tools to perform security hardening to include patching for vulnerabilities, configuration changes, experience configuring and troubleshooting SELinux, and debugging/troubleshooting system and application functionality because of hardening changes

Preferred

Hands-on experience with Kubernetes to include troubleshooting containerized workloads, investigating node related issues, and deploying/upgrading solutions using YAML manifests, Helm, or GitOps CD

Experience with multiple Red Hat tools, to include Red Hat OpenStack (RHOSP), Red Hat OpenShift (RHOCP), Red Hat OpenStack Services on OpenShift (RHOSO), and Red Hat Satellite

Experience deploying, configuring, managing databases such as deploying/operating PostgreSQL/MySQL (backups, HA patterns)

Experience deploying, configuring, managing multi-factor authentication (MFA) technologies such as ADFS/Keycloak/Okta, SAML/ODIC

Experience implementing and leveraging system monitoring tools, to include log aggregation (Splunk, Elasticsearch), infrastructure telemetry (Sensu, Prometheus), and visualization (Grafana, Kibana)

Experience with engineering infrastructure solutions that maximize uptime, reduce repetitive tasking, and mitigate human error

Experience with out-of-band (OOB) technologies to manage remote resources such as iDRAC/iLO/IPMI

Ability to express yourself confidently, concisely, and accurately through written and oral communications

Excellent interpersonal skills and the ability to collaborate effectively with management, the customer and tenants across DoD

Detail oriented, can multi-task, and can work with minimal supervision