Information Systems Security Engineer; ISSE) L4

ATTENTION MILITARY AFFILIATED JOB SEEKERS - Our organization works with partner companies to source qualified talent for their open roles. The following position is available to Veterans, Transitioning Military, National Guard and Reserve Members, Military Spouses, Wounded Warriors, and their Caregivers . All positions are onsite, unless otherwise stated.

Are you looking to take the next steps in your career as an Information System Security Engineer (ISSE) — Level 4? Let's chat and see if we are a good match!

Virtual Service Operations is searching for an Information System Security Engineer (ISSE) to join our dynamic team of experts in Beavercreek, OH. In this role, you will provide engineering, administration, and sustainment for a suite of cybersecurity tools — including Splunk, Nessus/ACAS, Trellix ePO, and STIG/SCAP — supporting the development and sustainment of secure enclaves at the edge that deliver enterprise services and cyber network defense capabilities across the DoD.

You will perform technical security assessments to identify vulnerabilities and non-compliance with Information Assurance standards, and recommend mitigation strategies to the ISSM/ISSO. Candidates should bring strong technical depth across identity, endpoint, and vulnerability management tooling, along with a background supporting classified DoD environments.

• Design, implement, and maintain distributed Splunk Enterprise environments, including RBAC, dashboards, reports, and alert capabilities.
• Administer Nessus Scanner/Manager and Security Center, developing custom scans, reports, and maintaining vulnerability plugins.
• Manage Trellix ePO endpoint security, including custom policies, software deployments, and security content updates.
• Design and implement security requirements for hybrid cloud environments to meet RMF requirements.
• Engineer unique solutions to support ongoing Cyber Threat and Cyber Defensive Operations.
• Automate threat assessment and reporting activities, and provide audit support.
• Analyze and report system and organizational security posture trends to the ISSM/ISSO.
• Assess access controls, configuration management processes, and security control effectiveness, reporting findings to the ISSM/ISSO.
• Implement security measures to resolve vulnerabilities, mitigate risks, and recommend system security changes as needed.
• Develop, maintain, and update technical documentation, including System Security Plans (SSPs), engineering diagrams, and implementation guides.
• Support ISSM/ISSO cybersecurity and RMF activities required to achieve and maintain an Authority to Operate (ATO).
• Monitor and investigate security breaches, and educate employees and clients on security procedures and programs.
• Receive enterprise cyber tickets and resolve via automation when possible.

484780

Bachelors

• Bachelor's degree in Computer Science, Engineering, Finance, Business, or a related field AND 3+ years of leadership experience in a relevant area of business, OR equivalent experience.
• 8+ years of demonstrated performance in related technology.
• 5+ years of related experience in an SCI/SAP environment.
• Security+ Certification.
• Active TS/SCI security clearance.

• ACAS/Nessus
• Trellix/ePO
• Active Directory Domain Services
• Active Directory Federated Services
• Active Directory Certificate Services
• Windows Server Update Services
• Splunk
• STIG/SCAP
• Azure Monitor / Log Analytics

• Must be within driving distance of Beavercreek, OH OR willing to relocate there (relocation packages available).
• Must be willing to work onsite.
• Strong written and verbal communication skills with excellent attention to detail and…