Cyber Security Engineer

ValidaTek, Inc.Arlington, VA
$110,000 - $140,000

About The Position

ValidaTek is seeking a highly skilled Senior Security Engineer to provide advanced technical expertise in securing complex enterprise IT environments. This role involves designing, implementing, and maintaining security solutions across a wide range of systems and services. You will collaborate closely with cross-functional engineering teams—including system, platform, release, automation, and test engineers—to support the secure development, modernization, and operation of enterprise applications and infrastructure.

Requirements

  • 5+ years of relevant experience in security engineering
  • Bachelor’s degree (or equivalent experience)
  • Active Top Secret Clearance
  • Server security administration (Microsoft Server 2016/2019, Red Hat Linux 6+)
  • Microsoft System Center Configuration Manager (SCCM)
  • Disaster recovery planning (cloud, command/control, and traditional data center environments)
  • Secure remote access technologies (VPN, DMVPN, IPSec, VDI – Citrix/AWS Workspace/Azure)
  • Configuration management and change control processes
  • Monitoring tools (e.g., SolarWinds, Riverbed)
  • Security tools (e.g., Splunk, ACAS)
  • Strong understanding of DoD and DISA cybersecurity requirements
  • Experience with DI2E (DevSecOps)
  • Familiarity with DISA and JSP environments
  • Experience with Microsoft Server 2016/2019 and Red Hat 7+
  • Knowledge of Splunk and Fortify

Nice To Haves

  • CISSP or MCSE or RHCE

Responsibilities

  • Design, build, and implement security solutions for complex enterprise IT services and applications (web, mobile, and enterprise services)
  • Provide security engineering support for COTS and GOTS product integration, managed services, and IT operations
  • Administer and secure core infrastructure components, including: Active Directory (AD), DNS, DHCP, and file services, Server operating systems and backup solutions, Antivirus and monitoring tools
  • Identify, analyze, and remediate system vulnerabilities; recommend improvements for future security enhancements
  • Perform network security administration and support engineering tasks as directed by the Government
  • Troubleshoot and resolve system outages and major network security issues in collaboration with other teams
  • Evaluate and test new security technologies within enterprise lab environments
  • Develop and validate system changes in test environments prior to production deployment
  • Install and integrate new security hardware and software, ensuring compatibility with existing systems and networks
  • Engineer and implement security enhancements for infrastructure components such as servers, AD, DNS, and monitoring platforms
  • Research emerging security technologies and assess their applicability to the enterprise
  • Support long-term security planning and technology refresh initiatives
  • Leverage monitoring tools to optimize system performance and security posture
  • Participate in Change Advisory Board (CAB) meetings to review and support secure implementation of system changes
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