Information Systems Security Engineer (ISSE)

ResponsibilitiesPeraton is seeking a Information Systems Security Engineer (ISSE) in our Linthicum, MD office in support of our Department of Defense (DoD) customer as part of a highly talented, highly motivated, and high-performing team. This position offers a unique opportunity to work at the forefront of cyber investigations, digital forensics, cyber threat analysis, and mission support in a dynamic and collaborative environment. The successful candidate will contribute to protecting national security interests by leveraging technical expertise, analytical skills, and innovative problem-solving to address complex cyber challenges. Individuals who are passionate about cybersecurity, committed to excellence, and eager to make a meaningful impact are encouraged to apply.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.QualificationsRequired 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.Peraton OverviewPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.Target Salary Range$135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.EEOEEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.Job SummaryRequisition ID: 2026-170231Position Category: Cyber SecurityClearance: Top Secret/SCI