Marathon TS is looking for a Sr. Network Security Engineer. In this role, the candidate will be engaged in a wide range of cyber security engineering activities, including supporting software and system requirements, design, development, testing, and maintenance. They will provide security and information assurance (IA) support, adhering to the Risk Management Framework (RMF) to ensure the confidentiality, integrity, and availability of information. The ideal candidate will have experience working with cutting-edge network and security technologies, including F5, Palo Alto Networks, Gigamon, and Cisco solutions. This role will involve designing, implementing, and managing secure network infrastructures to protect organizational assets and ensure seamless operations.
Job Responsibilities :
Network Security Design and Implementation
- Design and deploy secure network architectures using F5 load balancers, Palo Alto firewalls, Gigamon traffic visibility solutions, and Cisco networking equipment.
- Implement advanced security features, including threat prevention, SSL inspection, and access control.
Maintenance and Optimization
Perform regular maintenance and upgrades of F5, Palo Alto, Gigamon, and Cisco platforms to ensure optimal performance and security.Analyze network traffic patterns to identify and mitigate potential security risks.Incident Response and Troubleshooting
Respond to and resolve network and security incidents promptlyPerform root cause analysis for recurring issues and recommend long-term solutions.Policy and Compliance Management
Develop and enforce security policies and procedures aligned with industry standards and regulatory requirements.Conduct regular security assessments and audits to maintain compliance.Collaboration and Documentation
Collaborate with cross-functional teams to ensure seamless integration of network security solutions. Document configurations, procedures, and incident resolutions comprehensively.Experience in RMF guidelines and industry best practices.Experience performing security assessment and implementations based on DoD security requirements (STIGs, SRG, and SCCA and Industry vendor best practices)Qualifications
Proven experience with F5 load balancers (LTM, ASM, or APM).Proficiency in configuring and managing Palo Alto firewalls (Panorama experience is a plus).Hands-on experience with Gigamon traffic visibility and analysis tools.Strong expertise in Cisco networking (routers, switches, and Nexus platforms).Familiarity with network protocols, such as TCP / IP, BGP, OSPF, and VPNs.Experience with scripting or automation tools (Python, Ansible) is a plus.Strong analytical and problem-solving skills.Excellent written and verbal communication skills.Experience with Visio and Microsoft ProductsMust be able to present to Senior LeadershipJob Requirements :
7 years of experienceRelevant certifications such as F5 Certified Technology Specialist (CTS), Palo Alto Networks Certified Network Security Engineer (PCNSE), Cisco Certified Network Professional (CCNP), or similar are highly desirable.Clearance Level : DoD Secret
