PLATFORM SECURITY ENGINEER (CI POLYGRAPH REQUIRED)

NorthHill Technology
Chantilly, Loudoun County, VA
NorthHill Technology Resources has an exciting opportunity for a Platform Security Engineer to support a Federal Program in Chantilly, VA . This is a direct-hire role with our client, a highly respected firm in the Intelligence Community. The ideal candidate will have 3-6 years of relevant experience. Due to the Nature of the work, a TS/SCI Clearance and CI Polygraph is required.

Platform Security Engineer

If you enjoy working with new technologies, enterprise-leading equipment, and seek to secure and maintain compliance, we would like to speak to you. This position will play a key role in meeting critical compliance and security baselines of next-generation infrastructure to support Artificial Intelligence (AI) workloads.
You will join a diverse team of platform engineers to design, deploy, maintain, and secure platform infrastructure. You will collaborate with people inside and outside the organization to deliver the highest standards for building, deploying, and securing infrastructure.
The Platform Security Engineer is focused on automating security practices to ensure compliance of critical infrastructure. This includes traditional compliance and vulnerability scanning of switches, routers, firewalls, operating systems, applications, and platform components associated with OpenShift Container Platform (OCP). As a Platform Security Engineer, you are responsible for the detection and mitigation of security risks in order to comply with ATO requirements and maintain compliance.

Key Job Responsibilities
Platform Security Engineers perform high quality security assessment of network and platform components, mitigate risks, develop security automation that meets industry best practices, assist with internal/external customer interactions, and produce appropriate security and compliance documentation.
  • Maintain high security and compliance standards through security automation
  • Deliver simple, sustainable, and repeatable solutions and processes
  • Operate and trouble-shoot network routing, interconnectivity, platforms, performance, and configuration issues; including low level application interaction, Linux systems, and next-gen networking software tools
  • Maintain security best practices across the infrastructure to ensure systems are fully compliant with government/industry standards and policies
  • Think Big, and innovate new security solutions that enable us to move faster and meet key security and compliance milestones
  • Ensure the roll-out of new designs and products meet compliance and security requirements, as well as assist with deployment and sustaining platform infrastructure and tooling
  • Proficient in either Python or Go programming language
  • Experience working with RESTful APIs to automate security assessments and mitigation processes
  • Experience with the Authority to Operate (ATO) process, NIST SP 800-53, Cyber Security and Risk Management Frameworks, Security Center, Nessus, Splunk
  • Knowledge in network topologies and architectures (VLAN, LAN, WAN)
  • Experience with automation frameworks, specifically Ansible, to write scripts and automate security processes
  • Ability to effectively communicate with team members, vendors, and customers to understand requirements and implement solutions
  • Proficient time management to prioritize tasks and meet deadlines in a fast-paced networking environment
  • Travel up to 20% of the time, as required, to perform on-site installations, maintenance, and troubleshooting activities at customer sites or data centers.
Clearance Requirements
  • Active TS/SCI clearance with Counterintelligence polygraph
  • Have current IAM Level II to satisfy DOD 8570 IAT requirements
Posted 2025-09-29

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