Sr. Platform Engineer Reston, VA/ College Park, MD/ Anacostia- Bolling Base, DC TS/SCI with CI Polygraph As a
Sr. Platform Engineer (OpenShift), you'll will play a critical role in safeguarding digital assets by designing, implementing, and maintaining robust cybersecurity infrastructure. You will work collaboratively with cross-functional teams to identify vulnerabilities, develop solutions, and ensure compliance with security protocols and industry standards. Staying informed about emerging trends and threats in the cybersecurity landscape, you will proactively enhance defenses through innovative tools and methodologies. Additionally, you will conduct risk assessments, implement security controls, and support incident response efforts to minimize risks and maintain the integrity of our systems and data.
Company Benefits: Cornerstone Defense offers a comprehensive list of benefits, designed to give employees and their families several options to choose from when selecting benefits that best fit their needs. These offerings include not only a full suite of the traditional Medical/Dental/Vision insurances, but also a number of other benefits and perks to include, but not limited to: A 401(K) plan with a company match, tuition and training assistances, paid vacation/leave, a fitness reimbursement program, college savings plan, commuter benefits, financial advisory services, flex spending accounts, health savings accounts, STD/LTD coverage, life and AD&D insurance, employee assistance programs, life financial planning assistance, and legal resources.
What you'll do: - Design, implement, and manage security solutions, including firewalls, intrusion detection/prevention systems, endpoint protection, and encryption mechanisms to ensure the organization's networks and systems remain secure.
- Conduct regular security assessments to identify vulnerabilities and weaknesses in systems, networks, and applications, and analyze and investigate anomalies and security breaches, taking appropriate actions to mitigate risks.
- Monitor network traffic, system logs, and security alerts to detect and respond to potential security incidents, and develop and implement incident response plans to effectively address security breaches, incidents, and breaches.
- Collaborate with cross-functional teams to establish and enforce security policies, standards, and procedures, and work closely with cross-functional teams, including IT, software development, and compliance, to integrate security into all phases of the development lifecycle and ensure a comprehensive approach to cybersecurity.
- Maintain thorough and accurate documentation of security processes, procedures, and configurations, and prepare detailed reports on security findings, incidents, and actions taken.
What you'll need to succeed: - Active TS/SCI with CI Poly.
- CISSP, or equivalent certification that satisfies DoD 8140.
- 4+ years of experience as a cybersecurity engineer, with strong hands-on automation and platform engineering experience.
- 3+ years of hands-on experience implementing and monitoring security controls using government frameworks and standards (e.g., NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP) and applying STIGs (Linux preferred).
- Hands-on experience with cloud-native security, including IaC, containers, Kubernetes/OpenShift, and CI/CD pipelines (GitHub, Bitbucket), and securing these solutions at IL5 to IL6+ across NIPR, SIPR, and/or JWICS.
- Expert experience in log collection and analysis (e.g., Splunk), using advanced queries to identify security anomalies, and leveraging those insights for incident response, forensic analysis, and daily, weekly, and monthly security checks that support continuous monitoring under NIST RMF.
- Experience with application and cloud security tools (e.g., Fortify, Acunetix, Prisma Cloud).
- Strong communication skills, with the ability to convey complex technical concepts to both technical and non-technical stakeholders.
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