Cyber Security Engineer Senior

General Dynamics Information Technology (GDIT) is a global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government. They are seeking a Cybersecurity Engineer Senior to support security infrastructure for the CMS Center for Clinical Standards and Quality, implementing, configuring, and maintaining security tools, and responding to security incidents in the cloud environment.

Responsibilities:

• The candidate will be responsible for administering, configuring, deploying, and maintaining Cisco FirePower Threat Defense (FTD) and SkyHigh Web Gateway appliances across the authorization boundary and enterprise-level environments
• Implement advanced intrusion prevention systems (IPS) using CISCO FirePower to identify and block malicious traffic
• Implement CISCO routers (CSRs) to do Policy Based Routing (PBR) on all network traffic from the Virtual Private Clouds (VPC)
• Design and optimize Security Rule Sets (SRUs) and tailor policies to meet organizational and mission-critical security requirements
• Perform threat analysis, event correlation, and deep packet inspection to mitigate emerging cyber threats
• Configure and manage Cisco FireSight/FirePower Management Center (FMC) for centralized policy management, event monitoring, and system reporting
• Integrate FirePower NGIPS with other security solutions such as SIEM or SOAR platforms to enable automated threat response capabilities
• Perform system upgrades, signature/engine updates, and antivirus pattern maintenance to ensure continued protection
• Conduct regular audits and vulnerability assessments within FirePower systems to identify gaps in coverage
• Troubleshoot Cisco FirePower appliances for performance issues, ensuring high availability and resilience across the network
• Collaborate with cross-functional IT and security teams to optimize firewall configurations and enforce Zero Trust principles
• Collaborate with CCSQ Security Operations Center (SOC), Cloud Solutions Engineers, and Application Development Organizations on blocking notifications and proactive optimization of the tools
• Create and maintain detailed documentation for system configurations, policies, procedures, and operational tasks
• Provide technical expertise, guidance, and training to internal teams on Cisco FirePower operations and best practices
• Strong background with AWS security concepts, tools, and services
• Ability to work in fast paced environment, Self-motivated with a strong ability to work in a multi-tasking and changing environment
• Experience working in an Agile environment
• Support Security audits as needed and to advise ADO from a Tier2 or 3 perspective and to support security events of interest
• Demonstrated experience with and exposure to the above stated security appliances

Requirements:

• 5 + years of related experience
• Experience in Amazon Web Services (AWS) Cloud Environments
• Must have documented history configuring, maintaining, tuning, reporting, remediating from multiple security tools and services
• Must possess background in AWS Security services including Guard Duty, Security Hub, Inspector
• Proven ability to resolve security findings from security scanning
• Ability to pivot and learn new tools on demand
• Knowledge of system hardening benchmarks such as USGCB & STIG
• SEIM experience with Splunk
• Working after hours at scheduled intervals for production deployments or patching cycles
• Strong communication skills
• Bachelor's Degree in Computer Science or related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience
• Certification in cloud security, such as AWS Certified Security Specialty, CISSP, or security related discipline
• Strong understanding of key management and certificate management
• Knowledge of system hardening benchmarks such as CIS
• Experience with Crowdtrike Falcon, Palo Alto NGFW & Snyk