Peraton is seeking an Information Systems Security Engineer to work on-site with a DoD customer in Washington, DC. The role centers on designing, implementing, and maintaining enterprise security architectures while performing security engineering across the system development lifecycle. This position requires hands-on collaboration with administrators, engineers, and ISSOs to translate security policy into resilient, operational solutions across Windows, Linux, cloud, virtualization, and container environments.
Responsibilities
- Design, implement, and maintain enterprise security architectures aligned with NIST RMF, DoD STIGs, CIS benchmarks, and organizational cybersecurity policies.
- Perform security engineering activities across the SDLC, including requirements analysis, system design reviews, security testing, and accreditation support.
- Implement vulnerability management processes utilizing Tenable Nessus, ACAS, and Qualys to identify, assess, and remediate system vulnerabilities.
- Integrate cybersecurity requirements into Windows and Linux server environments, cloud infrastructure, virtualization platforms, and containerized applications.
- Support incident response and forensic investigations by analyzing security logs, SIEM alerts, network traffic, and endpoint telemetry using Splunk Enterprise.
- Develop automation scripts using PowerShell, Bash, and Python to streamline vulnerability remediation, account auditing, compliance reporting, and security monitoring tasks.
- Collaborate with system administrators, network engineers, ISSOs, and application teams to remediate security findings and implement secure configuration baselines.
- Perform security impact analysis for system changes, software deployments, and infrastructure upgrades to ensure continued compliance and operational security.
- Engineer endpoint protection and hardening solutions utilizing Trellix ePO on-prem, host-based firewalls, and application whitelisting technologies.
- Evaluate and implement cybersecurity tools and technologies to improve system security posture, continuous monitoring, and threat detection capabilities.
- Produce technical security documentation, architecture diagrams, SOPs, and executive-level risk assessment reports.
- Experience administering, configuring, and troubleshooting core CyberArk modules including EPV, PVWA, CPM, and PSM.
Requirements
- 5 years with BS/BA; 3 years with MS/MA; 9 years in lieu of a BS degree may be considered.
- Must possess an active Top Secret with SCI Eligibility.
- Strong background in networking (TCP/IP, firewalls, VPNs), cloud security (AWS/Azure), Kubernetes, and DevSecOps.
- Deep understanding of NIST SP 800-161, NIST RMF, FedRAMP, Common Criteria, ATO package development, and cybersecurity compliance (STIGs).
- Hands-on experience managing and deploying Tenable Nessus, CyberArk, Trellix, Splunk Enterprise, VMware vSphere, GitLab, Microsoft Windows Server, Red Hat Enterprise Linux and Ubuntu Linux.
- Experience with scripting and automation with PowerShell, Python, Bash and Ansible.
- Proven experience in leading projects and mentoring junior ISSEs.
- Present technical briefings to leadership.
- Must have a current DoD 8570.1-M IAT Level III certification (SecurityX/CASP, GCIH, CISA, CISSP).
Technologies
- Tenable Nessus, ACAS, Qualys
- Windows Server, Red Hat Enterprise Linux, Ubuntu Linux
- Splunk Enterprise
- PowerShell, Bash, Python, Ansible
- CyberArk, Enterprise Password Vault (EPV), PVWA, CPM, PSM
- Trellix ePO
- VMware vSphere, GitLab
- Kubernetes
- AWS, Azure
Benefits
- Medical
- Dental
- Vision
- Life insurance
- Health savings account (HSA)
- Short-term disability
- Long-term disability
- Employee assistance program (EAP)
- Parental leave
- 401(k)
- PTO for vacation
- Company paid holidays
About Peraton
Peraton 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 cyber.
Program Overview
Engineering, integration, and cybersecurity support to design, build, and test enhanced services for the Department of Navy's IT architecture. The program offers a wide range of roles, from cybersecurity experts to engineers specializing in systems, networks, software, and data center services.
Details
Target Salary Range: $104,000 - $166,000. This range reflects typical compensation for this position and takes into account factors such as scope, responsibilities, experience, education, knowledge, skills, competencies, geographic location, and contract considerations. Depending on the position, overtime, shift differential, and a discretionary bonus may apply.
Benefits Statement: Peraton offers eligible employees medical, dental, vision, life, health savings account, short-term disability, EAP, parental leave, 401(k), PTO, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.
Application Statements: The application period for this job is estimated to be 30 days from the posting date. This timeline may vary. Applicants may be required to participate in an on-camera interview and a process to verify identity during the review.
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.
