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Sr. RedHat OpenShift Systems Administrator

Arlington, VA
  • Posted: over a month ago
  • Full-Time
Job Description

Sr. RedHat OpenShift Systems Administrator

Location: Arlington, VA

- Must have a Secret Clearance

Node provides remote and onsite advanced technical assistance, proactive hunting, rapid onsite incident response, and immediate investigation and resolution using host-based, network-based and cloud-based cybersecurity analysis capabilities. Team personnel provide front line response for digital forensics/incident response (DFIR) and proactively hunting for malicious cyber activity.

We are seeking a Sr. RedHat OpenShift Systems Administrator to support this critical customer mission.


- Employing security concepts, theories, insights, tools and methodologies to mitigate system weaknesses and vulnerabilities
- Appling advanced analytical skills and technical resources at the tactical levels and implementing infrastructure solutions supporting command decision-making and execution of mission requirements
- Providing support for systems administration tasks such as patching, updating, and maintaining network infrastructure
- Supporting the implementation of new technologies and equipment in the lab environment
- Performing large-scale configuration management and deployment across Windows, MacOS, Linux/Unix, and other operating systems and virtual environments
- Performing implementation of granular access control
- Monitor RedHat platforms security and health, create and maintain reports of findings daily.
- Create next-generation application platform automation solutions utilizing RedHat Openshift, RedHat Ansible automation, Docker, Kubernetes, and Podman
- Integrate and configure COTS, GOTS, and third-party applications into RedHat Openshift and demonstrate ability to manage, maintain and patch containerized applications
- Create and support development of automation solutions for deployment of systems and applications to virtual and physical devices using RedHat Openshift, RedHat Ansible Tower, and RedHat Satellite.


Required Skills/Clearances:

- U.S. Citizenship
- Active Secret clearance (TS/SCI eligible)
- Ability to obtain Department of Homeland Security (DHS) Entry on Duty (EOD) Suitability
- Must be able to obtain DHS Suitability
- 6+ years of system administration in Red Hat version 6 or 7(RHEL6/RHEL7) with the ability to engineer, install, administer, and maintain complex system architectures.
- Extensive experience in centralized patch management using Red Hat Solutions
- Extensive knowledge in containerized environments
- Proficiency with configuration management using Ansible or Puppet
- Skilled in Linux-related scripting (Bash, Perl, Python, etc.)
- Knowledge and understanding of operating systems, networks and services.
- Manage changes to the system and assesses the security impact of those changes.
- Strong research, analytical, and problem-solving skills
- Good communication skills including preparing and presenting results, findings and alternatives and influencing management decision-making based on the best available data

Desired Skills:

- Kerberos/LDAP
- OpenShift
- IDM/Free IPA
- Docker
- Ambari
- Ansible
- Puppet
- Satellite Server
- Nagios

Required Education:

BS Computer Science, Cyber Security, Computer Engineering, or related degree; or HS Diploma & 7 years of Linux system administration with RedHat OpenShift experience.

Desired Certifications:
- Red Hat Certified System Administrator (RHCSA)
- Red Hat Certified Engineer (RHCE)

Company Overview:

Node.Digital is an independent Digital Automation & Cognitive Engineering company that integrates best-of-breed technologies to accelerate business impact.

Our Core Values help us in our mission. They include:


**Identifying the~RIGHT PEOPLE~and developing them to their full capabilities**

**Our customer’s “Mission” is our “Mission”. Our~MISSION FIRST~approach is designed to keep our customers fully engaged while becoming their trusted partner**

**We believe in~SIMPLIFYING~complex problems with a relentless focus on agile delivery excellence**

**Our mantra is “~Simple*Secure*Speed~” in delivery of innovative services and solutions**


  • Medical (100% Coverage for Employee)
  • Dental
  • Vision
  • Basic Life (100% Coverage for Employee)
  • Health Saving Account
  • 401K
  • Three weeks of PTO
  • 10 Paid Holidays
  • Pre-Approved Online Training



Arlington, VA



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