Senior Hybrid Systems Engineer — AWS & On-Prem

ManTech; Laurel (MD); On-site; USD 150,000 - 190,000; Full time

Job summary

MANTECH seeks a motivated, career-oriented Lead System Engineer to join our team in Laurel, MD. You will oversee, modernize, and secure enterprise server infrastructure across on‑premises and AWS, delivering automation, system integration, and critical security compliance to support program objectives.

Responsibilities include maintaining hybrid infrastructure, administering Linux and Windows Server environments, and implementing automation with Salt, Bash, Python, and Ansible.

Qualifications

• Bachelor’s degree with 14+ years of experience as a Systems Administrator or Cloud Engineer (or 19+ years total systems engineering experience in lieu of a degree).
• Active DoD IAT Level II certification or ability to obtain within 60 days of start date.
• Hands-on experience administering Linux operating systems.
• Experience administering Windows Server environments, including AD, DNS, or Group Policy.
• Extensive experience managing AWS cloud environments.
• Proficiency in infrastructure automation and scripting (Salt, Bash, Python, Ansible).
• Strong background in IAVA remediation, security controls, and enterprise monitoring tools (e.g., Splunk).

Responsibilities

• Oversee and maintain enterprise server infrastructure across hybrid environments (on-premises and AWS).
• Administer Linux and Windows Server OS and core directory services (AD, DNS, Group Policy).
• Design and execute automation using Salt, Bash, Python, and Ansible.
• Ensure continuous security compliance through IAVA remediation and baselines.
• Provide expert-level technical resolution and cross-team collaboration.
• Support DevOps by maintaining GitLab CI/CD pipelines and NiFi data flows.

Skills

Linux administration

Windows Server administration

Cloud infrastructure management

Automation scripting

IAVA remediation

Security compliance

Technical documentation

Cross-functional collaboration

Education

Bachelor’s degree in Systems Engineering, Computer Science, or related

Tools

Salt

BASH

Python

Ansible

AWS

GitLab CI/CD

Apache NiFi

Job description

MANTECH seeks a motivated, career-oriented Lead System Engineer to join our team in Laurel, MD. You will oversee, modernize, and secure enterprise server infrastructure across on‑premises and AWS, delivering automation, system integration, and critical security compliance to support program objectives.

Responsibilities include maintaining hybrid infrastructure, administering Linux and Windows Server environments, and implementing automation with Salt, Bash, Python, and Ansible.