Sr Cloud Security Engineer

General Dynamics Information Technology • USA MD Home Office (MDHOME), MD

3d • $124,093 - $149,500 • Remote

About The Position

Design, implement, operate, and continuously improve security infrastructure across on-premises data centers and AWS environments supporting business and critical scientific workloads. This hands-on role spans architecture and implementation, including defining security patterns and policies, configuring infrastructure, troubleshooting complex issues, and automating security operations. The engineer will work with AWS security, Palo Alto Networks firewalls, hybrid-cloud security architecture, Infrastructure as Code, and security automation.

The position is mostly remote, with occasional onsite requirements in Rockville, Maryland; candidates must be within commuting distance. The role requires obtaining and maintaining a Public Trust and completing onsite fingerprinting at a designated facility. The investigation may review personal and criminal behavior, financial conduct, foreign influence, and other adjudications. Scheduled hours are 40 per week, and travel is less than 10%.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, Information Technology, Engineering, or a related field, or equivalent professional experience.
• At least 5 years of hands-on cloud security engineering experience.
• Demonstrated experience designing, deploying, managing, and troubleshooting AWS security services.
• Experience securing hybrid on-premises/AWS environments.
• Experience with Infrastructure as Code, scripting, and security automation.
• Strong understanding of networking and security fundamentals, including TCP/IP, DNS, HTTP/HTTPS, network segmentation, VPNs, TLS/PKI, encryption, IAM, Zero Trust, and threat detection/prevention.
• Experience troubleshooting complex security and network issues.
• Must be able to obtain and maintain a Public Trust.
• Must be within commuting distance of Rockville, Maryland for occasional onsite requirements.

Nice To Haves

• Experience with Palo Alto Panorama, Prisma Cloud, and/or related Palo Alto technologies.
• Experience implementing centralized AWS security architectures in multi-account environments.
• Experience with Terraform, Ansible, Python, Bash, APIs, or other infrastructure/security automation technologies.
• Experience integrating security controls with SIEM/SOAR platforms.
• Experience with CI/CD pipelines and DevSecOps security practices.
• Experience with container/Kubernetes security and vulnerability management.
• Experience implementing security and compliance controls aligned with NIST, FISMA, FedRAMP, or similar frameworks.
• Experience using LLMs, AI agents, or generative AI tools to automate engineering, security, or compliance workflows.
• Palo Alto Networks (e.g., PCNSE) and/or AWS security/architecture certifications, or equivalent practical experience.
• Ability to independently own and resolve complex technical problems.

Responsibilities

• Design and implement security controls for AWS multi-account and hybrid-cloud environments.
• Deploy and manage AWS security capabilities, including Network Firewall, WAF, Shield, Security Groups/NACLs, GuardDuty, Security Hub, CloudTrail, Config, IAM/Identity Center, KMS, VPC, and Transit Gateway controls.
• Design secure connectivity, segmentation, and security boundaries between AWS and on-premises environments.
• Develop secure, resilient architectures spanning AWS and on-premises infrastructure using defense-in-depth and Zero Trust principles.
• Modernize the environment to leverage Infrastructure as Code, including technologies such as Terraform.
• Automate security operations, compliance reporting, configuration management, and policy enforcement using APIs, scripting, DevSecOps tooling, and AI-assisted engineering tools.
• Support security controls and evidence mapping aligned with NIST 800-53/800-171, FedRAMP, and FISMA.
• Evaluate existing security architectures and identify improvements in security, resiliency, scalability, performance, and operational efficiency.
• Troubleshoot complex cloud, network, firewall, and application-connectivity issues.
• Support security incidents, production outages, and root-cause analysis.
• Develop monitoring, logging, alerting, dashboards, runbooks, and engineering standards.
• Perform performance tuning, capacity planning, and security infrastructure lifecycle management.
• Participate in on-call or escalation support as required.

Benefits

• Medical plan options, including plans with Health Savings Accounts.
• Dental plan options.
• Vision plan.
• 401(k) plan with pre-tax and post-tax contribution options and a company match.
• Full flex work weeks where possible.
• Paid time off plans including vacation, sick and personal time.
• Paid holidays.
• Paid parental, military, bereavement, and jury duty leave.
• Typically 15 days of paid leave per calendar year for new employees, prorated based on hire date.
• An additional 10 paid holidays per year, prorated based on hire date.
• Paid Family Leave of up to 160 hours in a rolling 12-month period for eligible employees.
• Short- and long-term disability benefits.
• Life, accidental death and dismemberment, personal accident, critical illness, and business travel and accident insurance are provided or available.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior