Cloud Systems Administrator – Mission-Critical Infra (TS/SCI)

Momentumcareers; Maryland; On-site; USD 110,000 - 150,000; Full time

Benefits offered by this job

11 paid holidays

3 weeks PTO

Company sponsored group medical plan

Dental insurance

Vision insurance

Life insurance

STD/LTD plans

Job summary

Momentum Engineering, Inc. seeks a Cloud Systems Administrator to sustain and optimize enterprise cloud environments built on Java and open‑source tech. You will support data‑intense analytics on secure, managed infra and provide Tier 1–3 operational support for Linux environments.

Join a mission‑focused team with access to Kubernetes, Hadoop, Accumulo, and automation, contributing to system reliability, security, and performance in a fast‑paced, national security context.

Qualifications

• Active Top Secret/SCI clearance with NSA Full Scope Polygraph.
• Bachelor's degree in a related technical discipline (or 2 years additional experience in lieu).
• 5+ years of experience supporting Linux-based enterprise environments.
• 5+ years administering RHEL/CentOS or similar Linux OS.
• 5+ years of Linux/UNIX networking experience and diagnostics.
• 2+ years administering Red Hat DNS services (DHCP/hosts).
• Automation scripting in Bash and Python.
• Experience with Puppet configuration management.
• Experience with cloud-based Linux systems and large Hadoop/Accumulo clusters.
• Ability to diagnose and escalate complex issues across networks, systems, and data flow.
• DoD 8570 IAT Level I certification or higher; Security+ preferred.
• One of AWS DevOps Engineer – Professional, CDP Administrator – Private Cloud Base, or CK A certifications.

Responsibilities

• Administer, monitor, and maintain cloud-based enterprise platforms for mission-critical analytics.
• Support cloud infrastructure built on Kubernetes, Hadoop, and Accumulo.
• Ensure stability, security, and performance of mission-critical systems.
• Provide Tier 1–3 operational support, including on-call rotation.
• Work mid-shift schedule including Fridays and Saturdays.
• Troubleshoot Linux OS, networking, app, and infrastructure issues.
• Install, configure, and deploy RHEL/CentOS using Kickstart and automation.
• Network troubleshooting using nmap, tcpdump, firewalls, and diagnostics.
• Manage DNS services, host files, DHCP, and Linux networking components.
• Monitor and optimize Hadoop and Accumulo clusters for data integrity.
• Develop automation scripts in Bash and Python; use Puppet for provisioning.
• Collaborate with engineers and cybersecurity to resolve performance and data flow issues.
• Maintain SOPs, runbooks, and system configuration records.
• Participate in cloud platform reliability, scalability, and operational improvements.

Skills

Linux administration

Kickstart deployments

Python scripting

Bash scripting

Puppet

DNS configuration

Network troubleshooting

Cloud administration

Kubernetes

Hadoop

Accumulo

Security+ / DoD 8570 basics

AWS DevOps concepts

OpenStack familiarity

Education

Bachelor's degree in Systems Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or related technical discipline

Tools

Puppet

Kickstart

nmap

tcpdump

Jira

Prometheus

Grafana

SaltStack

Ansible

Kubernetes

OpenStack

AWS

Job description

Momentum Engineering, Inc. seeks a Cloud Systems Administrator to sustain and optimize enterprise cloud environments built on Java and open‑source tech. You will support data‑intense analytics on secure, managed infra and provide Tier 1–3 operational support for Linux environments.

Join a mission‑focused team with access to Kubernetes, Hadoop, Accumulo, and automation, contributing to system reliability, security, and performance in a fast‑paced, national security context.