Linux Systems Engineer

At INflow Federal, we’re not just building infrastructure—we’re shaping the future of national defense. We design and engineer secure, intelligent systems that empower mission success through the seamless integration of human insight and machine capability. With deep roots in Department of Defense (DoD) networks and a commitment to operational excellence, we deliver infrastructure that fuels advanced analytics, AI/ML, and data-driven decision-making ry project is an opportunity to tackle complexity head-on and build solutions that make a real-world impact.

Join INflow and help lead the charge toward a smarter, more connected defense landscape.

INflow Federal is seeking a Systems Engineer to support one of the most technically advanced environments in the defense industry. In this role, you will work shoulder-to-shoulder with some of the brightest minds in aerospace and national security technology.

In this position, you’ll design, secure, and manage mission-critical systems that power defense innovation—from hardened Linux environments to multi-platform authentication domains. Your work will directly contribute to safeguarding classified operations while ensuring seamless system performance and compliance with top-tier cybersecurity standards.

Here, your work is more than a job—it's a journey in innovation. With opportunities to work on high-impact projects, access to the latest technologies, and a culture that thrives on creativity and collaboration, INflow Federal is where your expertise can truly make a difference.

• Build, configure, and administer Linux servers and user workstations for secure, high-performance lab environments.
• Design and implement scalable workgroup networks supporting cross-platform collaboration (Windows/Linux).
• Manage centralized authentication services using LDAP and Active Directory for mixed client environments.
• Engineer and maintain reliable systems administration solutions to support mission and project operations.
• Proactively monitor, log, and analyze system performance—resolving exceptions before they impact operations.
• Deploy software patches, hot fixes, and updates across servers, workstations, and network hardware.
• Create and modify automation scripts (Shell, Perl, Power
  
  CLI, or Power Shell) to optimize administrative tasks.
• Support continuous improvement efforts focused on system stability, scalability, and security.
• Collaborate across technical teams to streamline processes and automate deployments.
• Partner with cybersecurity teams to harden systems to ICD-503 standards and implement DoD security controls.

• Red Hat Enterprise Linux (RHEL) administration
• multiple specialties such as operating systems, storage technologies and peripherals, including working knowledge of Red Hat Enterprise Linux operating systems administration (5 years)
• Scripting proficiency in Shell, Perl, Power
  
  CLI, or Power Shell
• Familiarity with DNS, LDAP, and cross-platform authentication systems
• Experience managing system updates via YUM/DNF and Red Hat Satellite
• Background working with Ansible modules and Trellix Anti-Virus
• Working knowledge of cybersecurity tools like Trellix, HBSS, and Carbon Black
• Familiarity with VMWare and virtualization concepts
• Experience or familiarity with AWS (EC2, S3, EFS), Git, and Dev Sec Ops  principles a plus

• Experience with Git configuration management
• Exposure to Amazon Web Services (AWS) including EC2, S3, and EFS
• Understanding of Dev Sec Ops  methodologies and automation pipelines

• 3–5 years of professional systems administration experience
• Bachelor’s degree in Computer Science, IT, or related field required
• Security+ Certification (or ability to obtain within 3 months)

• Active DoD TS/SCI (ability to obtain CI poly)

Salary Range: $130,000 - $200,000 a year

Please note:

This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills,…