Information Systems Security Engineer - SME Markon is seeking an Information Systems Security Engineer - SME to support one of its Intelligence Community clients from Herndon, VA. Responsibilities Design, develop, and implement security architectures for information systems Conduct risk assessments and provide mitigation strategies for identified vulnerabilities Support the Risk Management Framework (RMF) process, including preparation of System Security Plans (SSP), Contingency Plans (CP), Security Assessment Reports (SAR), and Plans of Action and Milestones (POA&M) Coordinate and respond to external organizations regarding RMF efforts Collaborate with System Owners and other stakeholders to ensure compliance with organizational security standards Integrate security controls into the software development lifecycle (SDLC) Work with developers and cloud engineers to integrate security and automation in the CI/CD pipeline Support and engineer with tools such as AWS CloudWatch, AWS Security Hub, GuardDuty, Splunk, or ELK for monitoring, logging, and compliance Manage multiple Splunk environments and develop Splunk queries and dashboards as needed Participate in security testing, audits, and incident response activities Provide security engineering support throughout all system lifecycle phases Stay current with emerging security threats and technologies Qualifications Required: Active TS/SCI with Polygraph (Preferrably from this client) Bachelor's degree in Computer Science, Cybersecurity, Information Technology, or a related field (or equivalent experience) 10+ years of relevant cybersecurity engineering experience, preferably with SIEMs, AWS CloudWatch, ELK, or related tools. One or more relevant cybersecurity certifications such as CISSP, CASP+, CEH, GSLC, Security+, AWS Certified Security Hands-on experience with tools such as eMASS, XACTA, Nessus, ACAS, or similar Strong understanding of networking, Windows/Linux operating systems, and encryption technologies Experience configuring and managing security-related settings of AWS EC2 instances Desired: Familiarity with secure software development practices and DevSecOps tools Soft Skills: Strong analytical, organizational, and problem-solving skills Excellent verbal and written communication abilities Ability to work independently and collaboratively in a fast-paced environment Salary Range USD $190,000.00 - USD $210,000.00/Yr. The Markon pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.