Cybersecurity Engineer in Herndon, Virginia at FIBERTEK, INC.

Herndon, VA - Herndon, VA 20171 US (Primary)

Fibertek is seeking a Cybersecurity Engineer to strengthen and protect critical systems supporting government programs. In this role, you will engineer secure solutions, monitor and defend sensitive systems, and ensure compliance with cybersecurity requirements, NIST 800 171, CMMC and defense industry directives.

You will serve as a cybersecurity lead to ensure the confidentiality, integrity, and availability of Microsoft domain managed systems, shared resources, and hybrid cloud infrastructure. You will partner closely with Director of IT, IT department, security, and government stakeholders to maintain accreditation, strengthen defenses, and support business application security.

Key Responsibilities

Cybersecurity Engineering

• Design, implement, and maintain controls across on prem, cloud, and hybrid environments.
• Engineer secure configurations for Windows, Linux, network appliances, Azure and M365.
• Develop and tune SIEM detections, correlation rules, and automated response workflows.
• Implement Zero Trust aligned architectures and segmentation strategies.
• Windows server hardening and shared system security

Threat Monitoring & Incident Response

• SIEM/EDR tools (Rapid 7, Windows Defender), scripting (PowerShell, Python)
• Execute incident response activities including containment, eradication, and recovery.
• Maintain incident response playbooks, log pipelines, and automation workflows.
• Secure shared folders, file servers, and collaboration platforms (e.g., SharePoint, Teams) against unauthorized access and data leakage.

Compliance & Accreditation

• Ensure cybersecurity compliance with government and customer requirements.
• Support CMMC SSP actions, POA&M remediation, and continuous monitoring.
• Conduct vulnerability assessments, patch validation, and secure configuration reviews.
• Administer privileged access, MFA, RBAC, and identity governance controls.

Audits, Documentation & Stakeholder Support

• Prepare for and support government cybersecurity inspections and audits.
• Maintain accurate cybersecurity documentation, diagrams, logs, and technical reports.
• Creating and documenting new solutions to mitigate security issues
• Establish governance, guardrails and training for responsible security processes

Required Qualifications

• U.S. Citizenship.
• Active DoD Secret Clearance
• Bachelor’s degree in Cybersecurity, IT, Computer Science, or related field.
• Minimum 5 years of cybersecurity engineering or security operations experience.
• Hands on experience with SIEM, EDR, vulnerability management, and secure system engineering.
• 2+ years of Active Directory and associated components (Kerberos, NTLM, Group Policy, Backup and Disaster Recovery, DNS, AD tiering models)
• 2+ years of Entra ID and associated components (Conditional Access, Multifactor Authentication, Passwordless Authentication, Privileged Identity Management, Identity Protection, Entra ID Connect)
• Ability to effectively communicate technical results, risks, and recommendations to non-technical stakeholders.

Additional or Preferred Qualifications

• Experience with regulated environments (CMMC, NIST 800-171, DFARS, ITAR, etc.)
• Experience operating within Microsoft GCC High M365 environments
• Certifications: SC-900, SC-300, MS-500, Security+, CASP+, GCIH, or similar.
• Experience with virtualization platforms such as Hyper-V, VMware, etc.
• Experience with IP network management including routing, firewalls, access control lists, DHCP, packet analysis, and troubleshooting network traffic flow

Salary Range

The annual base salary range for this position is $120,000-$150,000. This range reflects the compensation Fibertek reasonably expects to offer for this role. Placement within the range will depend on factors such as the scope and responsibilities of the position, the candidate’s experience, education and training, key skills, and relevant market and business considerations.