Bachelor's degree in IT, CS, EE, or related field; or equivalent experience.
Strong Windows system administration experience including GPO management and system hardening.
Understanding of networking concepts such as switching, routing, VLANs, and firewalls.
Familiarity with RMF/ATO processes and cybersecurity controls.
Experience with vulnerability management tools like ACAS or Nessus.
Ability to perform hands-on installation of equipment and interpret technical drawings.
Responsibilities
Administer Windows-based systems and maintain cybersecurity compliance.
Perform patch management and continuous monitoring activities.
Troubleshoot OS, application, and networking issues using diagnostic tools.
Support RMF/ATO documentation and control validation.
Conduct preventive maintenance and system performance verification.
Configure and troubleshoot network devices and maintain network diagrams.
Install and commission complete systems including servers and RF components.
Benefits
Competitive benefits including 401(k) with match and medical/dental/vision insurance.
Opportunity to support mission-critical systems contributing to national security.
Blend of IT, cyber, RF, and field engineering responsibilities for diverse technical exposure.
Direct influence on future product development through real-world field insights.
Full Job Description
Transformational Security | Maryland / DC Metro Area
Clearance: Active Top Secret, SCI-eligible
Type: Full-time
About the Role
Transformational Security is seeking a highly capable Field Systems Engineer with expertise in IT systems administration, networking, and cybersecurity supporting RF security systems. You will ensure deployed systems remain secure, patched, accredited, and fully mission-ready while serving as a trusted technical representative at customer sites. This position blends hands-on field work with IT operations, RMF/ATO support, RF system integration, and system diagnostics.
What You'll Do
Core IT, System Administration & Cybersecurity
Administer Windows-based systems, enforce configuration baselines, apply STIGs, and maintain cybersecurity compliance.
Perform patch management, vulnerability scanning, remediation, and continuous monitoring activities.
Troubleshoot OS, application, networking, and performance issues using system logs and diagnostic tools.
Support RMF/ATO documentation including SSP updates, POA&M entries, evidence gathering, and control validation.
Conduct preventive and corrective maintenance, field diagnostics, and system performance verification.
Serve as the on-site technical expert and primary interface with customer personnel.
Networking & Infrastructure Support
Configure and troubleshoot network devices, VLANs, routing, firewall settings, and IP schemas.
Perform network health assessments and maintain accurate network diagrams.
Support RF-related infrastructure including antenna connections, coax routing, and verifying RF signal paths.
Perform signal integrity checks and basic RF analysis during installation and troubleshooting.
Field Deployment, Testing & Customer Engagement
Install, integrate, and commission complete systems including servers, sensors, antennas, RF components, structured cabling, and supporting hardware.
Perform hands-on mounting, cable routing, equipment replacement, and system validation to ensure proper configuration and functionality.
Conduct RF performance checks using spectrum analyzers or similar tools to confirm operational readiness.
Perform site surveys to assess environmental, RF, infrastructure, and installation requirements.
Assist with on-site system upgrades, configuration changes, and new capability deployments.
What You Bring
Required Qualifications
Active Top Secret clearance with SCI eligibility.
Bachelor's degree in IT, CS, EE, or related field; or equivalent experience.
Proficiency with Microsoft Office (Word, Excel, PowerPoint, Project, Visio).
Strong Windows system administration experience including GPO management, patching, and system hardening.
Understanding of networking concepts (switching, routing, VLANs, firewalls).
Familiarity with RMF/ATO processes, cybersecurity controls, and accreditation documentation.
Experience with vulnerability management tools (ACAS, Nessus), STIG Viewer, WSUS, or SCCM.
Ability to perform hands-on installation of equipment, cabling, servers, and field components.
Ability to interpret technical drawings, wiring diagrams, and RF signal flow documentation.
Ability to lift up to 30 lbs and work independently at customer sites.
Preferred Qualifications
CompTIA Security+, Network+, CISSP, CCNA, or DoD 8140-equivalent certifications.
Experience with Linux, PowerShell scripting, or configuration automation tools.
Experience with RF, SIGINT, or electronic surveillance systems in operational environments.
Knowledge of RF fundamentals such as gain, attenuation, noise floor, SNR, and frequency planning.
Experience with RF test equipment including spectrum analyzers, VNAs, signal generators, and power meters.
Experience documenting complex systems including IT infrastructure, RF chains, and system topologies.
Strong communication and client interaction skills with ability to produce clear technical documentation.
Competitive benefits including 401(k) with match, medical/dental/vision insurance, bonuses, and paid leave.
Opportunity to support mission-critical systems contributing to national security.
Blend of IT, cyber, RF, and field engineering responsibilities offering diverse technical exposure.
Direct influence on future product development through real-world field insights.
