Invictus Strategy & Solutions · 1 month ago
Sr. Information Systems Security Engineer II
Reston, VA
Full-time
Onsite
Senior Level
7+ years expInvictus Strategy & Solutions is a Service-Disabled Veteran-Owned Small Business providing strategic workforce solutions. They are seeking a Sr. Information Systems Security Engineer II who will be responsible for securing classified systems and implementing controls to protect mission systems against cyber threats.
Human Resources
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Design, implement, and manage security solutions including firewalls, IDS IPS, endpoint protection, encryption, and access control technologies for classified environments
Perform hands on Splunk log ingestion, normalization, correlation, and analysis to identify anomalies, threats, or behavioral indicators
Conduct CrowdStrike investigations, endpoint alert triage, and host level containment
Perform Atask and related vulnerability scans, evaluate findings, assign risk levels, and drive mitigation workflows
Conduct recurring security assessments to identify weaknesses in networks, applications, and infrastructure
Develop, refine, and maintain incident response procedures tailored to IL5 and IL6 systems
Lead root cause analysis and escalation decision making during potential security incidents
Support RMF lifecycle activities including control selection, implementation, assessment, and continuous monitoring
Map NIST 800 53 controls to system components and validate proper compliance
Validate inherited controls to ensure they are effective and not merely documented
Build dashboards and monitoring automation to support continuous monitoring requirements
Harden operating systems, network devices, cloud workloads, and application stacks in alignment with government baselines
Apply Zero Trust principles across identity, segmentation, authentication, and data access
Collaborate with engineering, IT, and development teams to integrate secure design without blocking delivery
Produce clear documentation for control implementation, incident reporting, system diagrams, and compliance artifacts
Support audits, A&A packages, system reviews, and technical briefings with leadership
Qualification
Required
Bachelor's degree in Computer Science, Information Security, or related field
Seven or more years of cybersecurity engineering experience, including leading security control implementations
Strong hands on experience with Splunk search, correlation, dashboards, and log analysis
Direct experience with CrowdStrike endpoint security tools
Experience performing Atask or similar vulnerability scans and interpreting results
Proven background implementing and validating NIST 800 53 and RMF controls in classified environments
Experience working within IL5 and IL6 security boundaries
Strong understanding of network protocols, operating systems, and enterprise infrastructure
Proficiency in incident response, containment, escalation decision making, and forensic analysis
Experience with continuous monitoring, automation, and dashboard creation
Solid understanding of Zero Trust concepts and practical implementation
CISSP or equivalent certification meeting DoD 8140 requirements
Strong communication skills, including the ability to explain complex security issues to technical and non technical partners
Company
Invictus Strategy & Solutions
Invictus Strategy & Solutions is a Service-Disabled Veteran-Owned Small Business delivering strategic human capital solutions with a focus on mission readiness, workforce alignment, and cleared talent acquisition.
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase