Cybersecurity Engineer II
Quick Summary
As the Cybersecurity Engineer II, you will be responsible for designing, implementing, and maintaining secure information systems that support mission-critical operations.
Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development.
Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success.
Responsibilities
~2 min readAn 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.
Requirements
~2 min read- 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.
Location & Eligibility
Listing Details
- Posted
- June 3, 2026
- First seen
- June 4, 2026
- Last seen
- June 4, 2026
Posting Health
- Days active
- 0
- Repost count
- 0
- Trust Level
- 49%
- Scored at
- June 4, 2026
Signal breakdown
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