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Engineer, Cybersecurity III

Job in Leesburg, Loudoun County, Virginia, 22075, USA
Listing for: Pantheon Data
Full Time position
Listed on 2025-12-16
Job specializations:
  • Engineering
    Cybersecurity, Systems Engineer
  • IT/Tech
    Cybersecurity, Systems Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 USD Yearly USD 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Company Overview

Pantheon Data (a Kenific Holding company) is a private, small business based in the Washington, DC area. Founded in 2011, the company initially provided acquisition and supply chain management services to the US Coast Guard. Over the past decade, its service portfolio has grown to include infrastructure resiliency, contact center operations, information technology, software engineering, program management, strategic communications, engineering, and cybersecurity.

Pantheon Data now serves commercial clients and other agencies within the Department of Homeland Security (DHS), the Department of Defense (DoD), and other Federal Civilian Agencies.

Position Overview

The Cybersecurity Engineer delivers advanced cybersecurity engineering support across industrial control systems (ICS), enterprise networks, and mission‑critical environments. The role delivers expert analysis, control design, verification, and technical oversight to maintain secure, compliant, and resilient systems. Responsibilities include leading vulnerability assessments, hardening activities, patch management, and incident response initiatives in alignment with DoD, Navy, and RMF cybersecurity standards. The position can be remote or onsite with periodic CONUS/OCONUS travel as needed.

Responsibilities
  • Lead cybersecurity engineering efforts for ICs and enterprise systems, ensuring DoD and Navy security requirements are met.
  • Conduct and document vulnerability assessments, security control testing, and STIG/SRG compliance verification.
  • Configure, analyze, and optimize security controls including IDS/IPS, firewalls, and ACLs.
  • Perform operating system hardening and configuration across environments such as Windows, Linux, VxWorks, and embedded platforms.
  • Support incident response activities, including triage, forensic analysis, root‑cause investigation, and remediation planning.
  • Oversee patching cycles, system updates, and control enhancements to maintain a robust cybersecurity posture.
  • Collaborate with cross‑functional teams to design secure architectures, validate security requirements, and support A&A/RMF activities.
  • Prepare technical documentation, risk reports, engineering assessments, and recommendations for leadership and stakeholders.
  • Ensure full adherence to Navy cybersecurity policies, OPSEC requirements, CUI protocols, quality standards, and required security trainings.
Required Skills And Experience
  • Master's degree in Cybersecurity, Computer Engineering, Electrical Engineering, Electronics Engineering, Mathematics with a computer science concentration, or a cybersecurity‑related field from an ABET‑accredited program.
  • Relevant certifications such as OSCP or CEH.
  • Minimum five (5) years of professional experience in cybersecurity engineering supporting IC infrastructure, networks, and/or network security; OR
  • Minimum ten (10) years of professional experience in cybersecurity engineering (in lieu of IC‑specific experience).
  • One (1) year of hands‑on experience applying, configuring, or analyzing cybersecurity controls (IDS/IPS, firewalls, ACLs).
  • Experience maintaining or configuring operating systems such as Windows, Linux, VxWorks, or other embedded operating systems.
  • Demonstrated expertise in IC network security, including industrial device communication protocols and network segmentation principles.
  • Strong understanding of RMF processes, STIG/SRG implementation, and ongoing cybersecurity compliance tracking.
  • Proficiency in security controls engineering, including OS hardening, vulnerability analysis, and remediation planning.
  • Knowledge of incident response methodologies, digital forensics fundamentals, and root‑cause investigation techniques.
  • Ability to work effectively both independently and within remote, cross‑functional technical teams, adapting to dynamic operational environments.
  • Excellent written and verbal communication skills, with the ability to produce clear technical documentation, reports, and stakeholder‑facing deliverables.
  • Ability to meet deadlines and produce quality work.
  • Proficient in Microsoft Suite software including Outlook, Word, Excel, SharePoint, and PowerPoint.
Clearance Requirements

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