Senior Cybersecurity Engineer (Networking)

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Headquartered in Virginia, we have more than 53,000 employees in approximately 80 countries across all 7 continents.

Amentum is seeking a Senior Cybersecurity Engineer with focus on Networking . This is a fully remote and hands-on role, responsible for ensuring Amentum assets are protected from cyber threats. This role provides technical expertise in multiple areas of cybersecurity to include Cloud Security and Endpoint Security. US Citizenship is required to apply. This is a US remote-telework role (you must live within the US to work in this role).

Responsibilities :

Review, design, implement and support all aspects of network security, in close collaboration with IT and Projects.

Maintain and support security related networking systems, e.g. boundary protection, firewalls, DNS / URL filtering, global VPN.

Ensure availability of cyber-related network services, e.g. work closely with network engineering to design failsafe solutions.

Participate in 2nd-level Security Operations Center (SOC) activities, e.g. respond to critical security incidents escalated by an MSSP, including non-network related incidents.

Design and improve security controls protecting our users, information systems, enterprise applications and data.

Analyze, troubleshoot and investigate security-related IT system anomalies based on platform reporting, network traffic, log files and automated security alerts.

Optimize processes / tooling and automate recurring tasks.

Provide security oversight and coordination for changes to the IT landscape.

Provide off-hours support on an infrequent, but as needed basis.

Maintain and update relevant system and process documentation.

Cover other cybersecurity related assignments as needed.

Knowledges, Skills, and Abilities :

Effective time management and communication skills.

Self-starter with desire for professional excellence, able to work with minimal supervision.

Excellent communication skills, able to prioritize and adapt to dynamic changes in the environment.

Minimum Requirements :

Associate's degree plus at least 6 years hands-on experience as a cybersecurity network engineer; a Bachelor's degree in Computer Science, Information Systems or related field plus 5 years of relevant experience; 4 years with a Master's.

Current Security+ and Network+; or similar industry certification.

Must be a U.S. Citizen.

US Remote-Telework role (you must live within the US to work remotely).

Expert experience in network protection and related concepts, e.g. boundary protection, network segmentation, firewalls, endpoint security, threat hunting.

Deep understanding of network protocols (e.g. TCP / IP, DNS, DHCP, BGP, OSPF, VLANs).

Strong experience in network architectures (e.g. LAN, WAN, VPN, SD-WAN, Cloud).

Demonstrated skills to debug network related issues, including performance.

Good understanding of data protection (encryption PKI / SSL / TLS, authentication and access control).

Ability to travel up to 10%.

Additional desired qualifications and experience :

Experience with Palo Alto products

Experience with F5 load balancers

Experience with CISCO ACI

Experience with SASE solutions

Experience with Intrusion Detection Systems

Experience with NIST based controls or similar standard

Exposure to Azure GCC-H

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters (https : / / postings.govdocs.com / # / vxSkbztPuAwwxfs) .