Information Systems Security Engineer (ISSE)

Peraton; Maryland; On-site; USD 90,000 - 130,000; Full time

Job summary

Peraton in Maryland is seeking a senior cybersecurity professional to support ISSE/ISSO activities. The role requires translating security requirements into actionable controls, guiding developers, and ensuring compliance with DISA STIG and RMF frameworks.

The candidate will lead risk assessments, perform log analysis, and coordinate security activities across teams, leveraging DevSecOps practices to embed security throughout the software lifecycle.

Qualifications

• Experience guiding application developers on security policy and requirements.
• Hands-on experience developing and validating control implementations and test procedures.
• Knowledge of current security risks and protocols.
• Active IAT Level II or equivalent certification preferred.
• Active Top Secret with SCI eligibility.

Responsibilities

• Support ISSO with log review and SIEM analysis to determine actions.
• Conduct vulnerability analysis and review of ACAS scans.
• Assist with DISA STIGs analysis to ensure STIG-compliant solutions.
• Apply DevOps/SecOps methodologies to integrate security requirements throughout the development lifecycle.
• Coordinate security activities with system leads, ISSOs, and program managers.
• Develop and implement security requirements for computer systems and networks.
• Assess risks and provide mitigation recommendations.
• Lead internal security audits and investigations.

Skills

Security policy guidance

Security requirements identification

Vulnerability analysis

DevSecOps mindset

RMF experience

Security controls

Log analysis

Education

Bachelor’s degree + 8+ years

Master’s degree + 6+ years

PhD + 3 years

Tools

STIG Viewer

ACAS

Splunk

Redhat/CentOS

Job description

Required Qualifications:

• Experience working with software developers and architects to understand security requirements.
• Experience guiding application developers on security policy, identifying security requirements, providing technical guidance for the satisfaction of requirements.
• DISA STIGs and STIG Viewer experience.
• Hands‑on experience in developing and validating control implementations and test procedures.
• Knowledge of current security risks and protocols.
• Certifications: Active IAT Level II certification (CompTIA Security+ preferred).
• Security Clearance: Active Top Secret with SCI eligibility.
• Education: Bachelor’s degree and 8+ years of experience, or Master’s Degree and 6+ years of experience, or 3 years with PhD. A degree in one of the following fields of study is highly desired: Information Technology, Computer Science, Cybersecurity, Information Systems, Software Engineering, or Data Science. However, an additional 4 years of relevant experience or specialized training may be considered in lieu of Bachelor's degree.

Desired Qualifications:

• Certifications: CASP+, CISM, CISSP-ISSAP, CISSP-ISSMP, FITSP-D, GCIA, GCSA, GICSP, GSEC, GDSA, GICSP, GMON, CCSP, CISSO, Cloud+, or CSSLP.
• Experience transitioning from RMF v4 to v5.
• Basic understanding of identity and access management system capabilities and configuration.
• Experience with cloud computing platforms such as AWS and Azure.
• Experience with TASKORDS, OPORDS, etc.
• Experience leading Cybersecurity (ISSO & ISSE) teams.
• Experience working with Redhat or CentOS Linux operating systems.
• Experience working in a DevSecOps.
• Creating and using security tools and processes for scanning, testing, monitoring, and reporting.
• Experience in planning and overseeing configuration changes for major applications across multiple networks.
• Good analytic and problem‑solving skills.

The successful candidate will perform the following:

• Support the ISSO with Log Review/Analysis using SIEM tools (Splunk, etc.) to determine appropriate actions.
• Conduct Vulnerability Analysis and Review of ACAS scans.
• Assist with analysis and completion of DISA STIGs to ensure STIG‑compliant solutions.
• Utilize DevOps, SecOps methodologies to analyze and ensure that development requirements effectively integrate security requirements throughout the entire process.
• Ensure ConMon requirements are addressed at the system level.
• Coordinate security activities with system leads, ISSO’s and program managers.
• Determine, design, implement, and evaluate the security requirements and measures of computer systems and networks.
• Assess potential risks, mitigation measures, residual risks, and providing recommendations to stakeholders.
• Develop and implement technical solutions to address security vulnerabilities.
• Conduct risk assessments and provide recommendations for mitigating risks.
• Lead the technical aspects of internal security audits and investigations.
• Ensure compliance with government regulations and industry standards.