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Salary
$82k – $131k per year
Location
In office (Manassas)
Seniority
Middle · 3+ years exp

Confirmed on the employer's own hiring board on Sep 30, 2026. First seen by Alion on Sep 30, 2026.

Overview
Company
Impact
Profile match
AMERICAN SYSTEMS has been delivering IT and Engineering solutions to complex national priority programs since 1975. Our mission-focused approach ensures a trusted, collaborative partnership with our customers. Performance is paramount. We know what’s at stake. ®.

Overview

AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training.

Responsibilities

An Average Day: As the Cybersecurity Engineer II, you will be responsible for designing, implementing, and maintaining secure information systems that support mission-critical operations. You will utilize technical expertise in endpoint security, vulnerability management, security monitoring, and compliance within Windows and Linux enterprise environments. You will also serve as a key technical contributor, supporting both defensive cyber operations and Risk Management Framework (RMF) activities. Additionally, in this position you will:

  • Design, implement, and maintain cybersecurity controls to protect enterprise systems and networks.
  • Administer and optimize Trellix ePO (formerly McAfee ePO) for endpoint protection, policy enforcement, threat detection, and incident response across Windows and Linux systems.
  • Operate and maintain ACAS/Nessus vulnerability scanning solutions; analyze findings and support remediation efforts.
  • Develop, maintain, and enhance Splunk dashboards, alerts, and correlation rules for security monitoring, log analysis, and threat detection.
  • Perform technical security assessments, vulnerability assessments, and configuration compliance reviews.
  • Support RMF activities including SSP development, POA&M management, control implementation, and continuous monitoring.
  • Apply STIGs and SCAP benchmarks to Windows and Linux systems; validate compliance and document results.
  • Analyze security events, logs, and alerts to identify indicators of compromise and support incident response actions.
  • Collaborate with system administrators, network engineers, and cybersecurity leadership to implement risk mitigations.
  • Provide technical recommendations to improve overall cybersecurity posture based on emerging threats and trends.
  • Develop technical documentation including SOPs, security procedures, and assessment reports.

Qualifications

  • As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C), we will not consider candidates for this position who do not meet the aforementioned conditions.
  • Must have an active Secret clearance with the ability to obtain a Top Secret with SCI eligibility or have an active Top Secret with SCI eligibility.
  • Will be subject to a federal background investigation.
  • Bachelor’s degree in Cybersecurity, Information Technology, Computer Science, or a related field (or equivalent experience).
  • 3+ years of progressive experience in cybersecurity engineering, system security, or cyber defense roles.
  • Current CompTIA Security+ Ce certification required
  • One of the two following certs with the ability to obtain the second post hire:
    • Current DISA 201 ePO and 301 ePO certifications required
    • Current Splunk certification required (Admin, Engineer, Analyst or Architect certs will be accepted)
  • Advanced experience with Trellix ePO administration in enterprise environments.
  • Strong proficiency with Splunk SIEM, including SPL queries, dashboards, alerts, and reporting.
  • Hands-on experience with ACAS/Nessus vulnerability scanning and remediation tracking.
  • Expertise securing Windows and Linux operating systems, including system hardening and patch management.
  • Experience with STIGs, SCAP, and configuration compliance validation.
  • Knowledge of network and host-based security technologies including EDR, IDS/IPS, firewalls, and SIEM.
  • Familiarity with scripting and automation (PowerShell, Bash, or Python) to support security operations.
  • Strong understanding of NIST RMF and system authorization lifecycles.

Pay Transparency Statement

AMERICAN SYSTEMS is committed to pay transparency for our applicants and employee-owners. The salary range for this position is USD $82,000.00/Yr. - USD $131,200/Yr. Actual compensation will be determined based on several factors permitted by law. AMERICAN SYSTEMS provides for the welfare of its employees and their dependents through a comprehensive benefits program by offering healthcare benefits, paid leave, retirement plans, insurance programs, and education and training assistance.

EEO Statement

EEO Race/Sex/Disability Status/Veteran Status
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