General Dynamics Information Technology
Cyber Security Engineer Senior
Remote Cybersecurity Engineering role with clear candidate location fit.
PostedJul 18, 2026
Eligible countries1 accepted country
Seniority signalSenior
Work settingRemote
Accepted candidate locations
USA
Role overview
Cyber Security Engineer Senior
Requirements and responsibilities
Readable role content extracted into sections for faster review.
HOW YOU WILL MAKE AN IMPACT:
- 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.
WHAT YOU’LL NEED TO SUCCEED:
- Education: Bachelor's Degree in Computer Science or related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience
- Required Experience: 5+ years of related experience in maintaining security systems in cloud environments
- Required Technical skills: Experience in Amazon Web Services (AWS) Cloud Environments and the CMS CCSQ/QNET a must. 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
- Attributes for Success: Strong communication skills a must
- Preferred Skills: 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
- Location: 100% remote working
- Security clearance level: Ability to possess and maintain a Public Trust. Applicants shall have lived in the United States at least 3 out of the last 5 years prior to going through the public trust background investigation and submitting an application for a Federal ID Card. Work visa sponsorship will not be considered for this role
WHAT YOU’LL NEED TO SUCCEED:
- Growth: AI-powered career tool that identifies career steps and learning opportunities
- Support: An internal mobility team focused on helping you achieve your career goals
- Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
- Flexibility: Full-flex work week to own your priorities at work and at home
- Community: Award-winning culture of innovation and a military-friendly workplace
Similar roles
Keep a backup shortlist.
Stack
Use these tags to compare similar remote roles.
Location eligibility
Candidates should apply only when their profile country is listed here.
Your profileCountry not setSign in to check your country against this role.
Hiring flow
WithMira shows the role, then sends candidates to the company application.
1Check role fit, stack, and location eligibility in WithMira.
2Open the company application page from the tracked apply link.
3Save the role or subscribe for similar opportunities before leaving.