Cybersecurity Engineer, Senior

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Secret

Clearance Level Must Be Able to Obtain:

Top Secret/SCI

Public Trust/Other Required:

None

Job Family:

Cyber Security

Job Qualifications:

Skills:

Cloud Security, Cybersecurity, Network Security

Certifications:

None

Experience:

8 + years of related experience

US Citizenship Required:

Yes

Job Description:

GDIT is seeking qualified candidates to support the Missile Defense Agency (MDA) Integrated Research and Development for Enterprise Solutions (IRES) contract.

Qualified candidates will provide integrated solutions supporting concurrent test, training, and operations (CTTO) within the Missile Defense Integration and Operations Center (MDIOC) mission execution platform and enterprise communications and information technology (IT) environment.

Be a part of the GDIT Team that solve some of the world's most complex technical challenges! General Dynamics Information Technology (GDIT) is seeking a Cybersecurity Engineer, Senior to support the IRES program in Huntsville, Alabama.

Duties Include: 

• Design and maintain secure, scalable network architectures across cloud, hybrid, and on-premise environments. Define principles, standards, and reusable frameworks

• Lead the implementation of Zero Trust Network Architecture (ZTNA), micro segmentation, and identity-aware access controls for modern enterprise and remote work environments

• Develop and implement automated solutions for network provisioning, configuration management, and security enforcement using tools such as Terraform, Ansible, or Python

• Design secure connectivity and protection mechanisms within cloud-native environments (Azure, AWS, GCP), including VPCs, firewalls, transit gateways, and cloud-based WAFs

• Contribute to Agile project teams by embedding security into iterative solution delivery. Collaborate with DevOps and platform teams to integrate network security controls into CI/CD pipelines

• Perform security threat modeling for network systems. Contribute to security assessments, mitigation plans, and incident response strategies

• Architect and oversee implementation of VPNs, SD- WAN, SASE, NAC, and next-gen firewalls to support secure access and business continuity

• Ensure designs align with enterprise security policies, compliance requirements (e.g., NIST, ISO 27001, PCI-DSS), and architecture governance standards

Basic Qualifications:

• Bachelor’s or Master’s degree in Cybersecurity, Computer Science, Network Engineering, or a related field; additional years of experience may be considered in lieu of degree

• 8+ years of experience in network security, cybersecurity architecture, or network engineering—including 3+ years in a design or architecture-focused role.

• Advanced knowledge of network protocols, routing/switching, encryption, segmentation, and identity-aware access.

• Hands-on experience with technologies such as Cisco, Palo Alto, Fortinet, Zscaler, Cloudflare, and SD-WAN solutions.

• Deep expertise in securing cloud-native platforms (Azure, AWS, GCP)—including VPC design, security groups, transit gateways, and cloud firewalls.

• Experience with security automation tools (e.g., Terraform, Ansible, PowerShell, Python).

• Strong understanding of Agile methodologies, including participation in Scrum, SAFe, or Agile delivery teams.

• Familiarity with frameworks such as MITRE ATT&CK, NIST CSF, Zero Trust,and architectural models (e.g., TOGAF, SABSA).

• Applicable DOD 8140 and professional certifications

• Relevant certifications such as: CISSP, CISSP-ISSAP, GIAC (GCPN, GCIA); Cisco CCNP/CCIE Security, Azure/AWS Security Specialty; TOGAF, Certified Cloud Security Professional (CCSP); DevSecOps or cloud-native architecture certifications

• Active SECRET clearance with eligibility for TOP SECRET/SCI

WHAT CAN GDIT OFFER YOU?

• Excellent customizable health benefits (Medical, Dental and Vision)

• 401K with company match

• Educational Assistance and eLearning

• Flexible work week

• Internal mobility team dedicated to employee advancement

• Rewards and Recognition programs

• Innovative and collaborative environment encouraging highly motivated critical thinking

The likely salary range for this position is $144,410 - $195,378. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

Less than 10%

Telecommuting Options:

Onsite

Work Location:

USA AL Huntsville

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans