Information Systems Security Engineer Security Clearance

Position: Information Systems Security Engineer with Security Clearance
Information Systems Security Engineer Reston, VA TS/SCI with Polygraph Overview:
We are seeking a highly skilled Information Systems Security Engineer (ISSE) to join our team. In this role, you will design, implement, and maintain enterprise security solutions to protect mission-critical systems, networks, and data. You will collaborate with cross-functional teams to ensure compliance with government security standards while proactively addressing vulnerabilities and threats. 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.

Key Responsibilities
* Design, deploy, and manage security solutions including firewalls, IDS/IPS, endpoint protection, and encryption mechanisms.
* Conduct regular security assessments to identify and remediate weaknesses in systems, networks, and applications.
* Develop and implement incident response plans; investigate anomalies and breaches, and take swift action to mitigate risks.
* Collaborate with IT, development, and compliance teams to establish security policies, procedures, and best practices aligned with frameworks such as NIST SP 800-53, RMF, ICD 503, FISMA, and FedRAMP.
* Monitor network traffic, system logs, and alerts to detect potential threats; utilize tools like Splunk for log aggregation and analysis.
* Integrate security controls into all phases of system and software development, including cloud, containerized, and Dev Sec Ops  environments (IL5-IL6+).
* Maintain detailed documentation of security configurations, processes, and incident reports.

Required Qualifications

* Education:

Bachelor's degree in Computer Science, Information Security, or related field

* Experience:

7+ years in cybersecurity engineering, including:
* Designing and implementing security controls
* Continuous monitoring and compliance auditing
* Cloud and Dev Sec Ops  security (IL5-IL6+)
* Log management and analysis (Splunk) Technical

Skills:

* Government security frameworks (NIST SP 800-53, RMF, ICD 503, FISMA, FedRAMP)
* Incident response, forensic analysis, and security incident handling
* Familiarity with tools such as Fortify, Acunetix, and Prisma Cloud

* Certifications:

CISSP or equivalent (DoD 8140 compliant)