Sr. Linux Admin – RHEL, Aerospace and Defense

Mavensoft Technologies, LLC; San Diego (CA); On-site; USD 110,000 - 160,000; Full time

Job summary

Mavensoft Technologies, LLC is seeking a Sr. Linux Admin specializing in RHEL for an Aerospace and Defense program in San Diego, CA. This on-site role requires US citizenship and the ability to obtain/maintain a Secret clearance.

You'll support mixed Linux/Windows networks and VMware virtualization to enable development and test automation teams. The ideal candidate has deep RHEL expertise, LDAP (RHDS), strong scripting (Bash/Ansible/Python), and experience with security hardening (STIGs).

Qualifications

• 4 years of experience with STEM PhD; additional 4 years can substitute for a degree.
• Advanced knowledge of Red Hat operating systems.
• Experience with LDAP (RHDS) and STIGs implementation.
• Proficient in Bash/Shell, Ansible, Python; automation skills.
• Experience with Splunk monitoring and Windows basics.
• Familiarity with virtualization and containerization technologies.

Responsibilities

• Support large, mixed Linux/Windows networks including VMware virtualization.
• Collaborate with engineers to design system architectures for development networks.
• Install, upgrade, troubleshoot, tune, and automate infrastructure components.
• Maintain system documentation and security posture; provide support.
• Travel up to 10% as needed.

Skills

RH Linux administration

RHDS / LDAP

System hardening

Bash/Shell/Ansible/Python

Splunk monitoring

KVM/Hyper-V/RH-V virtualization

STIGs implementation

DNS (BIND)

Scripting/Programming

Education

STEM PhD or Bachelor's equivalency

Tools

Docker

OpenShift

Kubernetes

VMware

KVM

Hyper-V

Job description

Sr. Linux Admin – RHEL, Aerospace and Defense

Role: Sr. Linux Admin – RHEL, Aerospace and Defense

Duration: 12 Months (Contract) W2

Location: San Diego, CA (On-Site)

Work Authorization: US Citizen; must be able to obtain/maintain a Secret security clearance

Key Skills: Red Hat Enterprise Linux (RHEL), Red Hat Directory Server (RHDS), LDAP (Lightweight Directory Access Protocol), Advanced Linux system hardening, Bash/Shell/Ansible/Python, Splunk Monitorin, (KVM, Hyper-V, or Red Hat Virtualization), DISA Security Technical Implementation Guides (STIGs), Defense Information Systems Agency (DISA), Security Technical Implementation Guides (STIGs)

Position Summary:

• This position supports a large heterogeneous unclassified and classified computer networks that include Linux, Windows, and VMware Virtualization with emphasis on supporting software development and test automation teams.
• Responsibilities include working with software development teams to design and define system architectures for new or existing complex development networks, hardware/software installation, upgrades, troubleshooting, repair, monitoring, tuning, automation scripting and general sustainment activities.
• Duties will also include maintaining system documentation, developing infrastructure support procedures, and providing security support.

Responsibilities

• Work closely with engineers and technicians in a lab environment.
• Advise on integration of new emerging industry technologies to the program’s systems.
• Implement engineering changes to the system as required.
• Review, analyze, and incorporate technical requirements into end-to-end system architectures.
• Responsible for completing the network configurations and coordinating with the peers, SMEs, and government engineers.

Required Qualifications

• 4 years of experience with STEM PhD degree. An additional 4 years of relevant experience can be considered in lieu of a bachelor’s degree.
• Linux knowledge and experience
  • Advance and in-depth technical knowledge of Red Hat operating systems.
  • Understanding of Linux built-in applications/programs (awk, grep, etc).
  • In-Depth Linux troubleshooting knowledge.
  • LDAP (RHDS) experience.
  • Advanced System hardening experience.
• Utilizing and working with Splunk.
• Basic experience with Windows operating system.
• Knowledge of STIGs and STIG implementation.
• Knowledge of DNS, specifically Linux BIND.
• Scripting/Programming experience
  • Bash/Shell
  • Ansible
  • Python
  • Other scripting/programming experience
• Ability to communicate well and operate with considerable independence.
• Ability to travel 10% of the time.

Preferred Qualifications

• Experience with imaging, backup and restore software and scripting (Clonezilla, Linux dump, etc.).
• Experience leading and managing internal programs and working with engineers to delegate tasking/efforts.
• Experience with containers (Docker, Red Hat OpenShift, Kubernetes).
• Strong experience with virtualization platforms (VMWare, KVM, Hyper‑V, RH‑V).
• Ability to work independently with minimal guidance and provide milestone progress on critical items or scheduled items.
• Ability to mentor and help grow junior engineers and share knowledge and experience to improve procedures, processes and bring recommendations for technological improvements.
• Ability to work and support a flexible schedule (2nd shift, RDO Fridays, possibly weekends) as required.
• Basic to advanced knowledge of networking and network systems including iSCSI connectivity functionality.
• Experience in design, implementation, and sustainment of Linux/Unix systems.
• Experience in design, implementation, and sustainment of Containerization technologies.