Senior COMSEC & Network Engineer (Cloud/Classified)

General Dynamics Information Technology (GDIT); El Segundo (CA); On-site; USD 108,000 - 144,000; Full time

Benefits offered by this job

Medical plan options

Health Savings Accounts

401(k) with company match

Paid time off

Life insurance

Disability benefits

Job summary

General Dynamics Information Technology (GDIT) seeks a seasoned COMSEC and Network Engineer to secure communications within classified Azure environments. You will bridge cryptographic hardware and software-defined networking while ensuring data in transit remains protected and compliant.

Responsibilities include cryptographic architecture, cloud networking, and incident response, with a focus on NSA CSfC, KMI, and HAIPE integration in IL5/IL6 contexts.

Qualifications

• Experience with COMSEC and cryptographic systems in secure networks.
• 8+ years in network engineering with focus on COMSEC.
• Secret clearance with ability to obtain TS/SCI.
• Experience configuring Azure Government or Classified Cloud networking.

Responsibilities

• Design Secure Communications architectures for classified Azure environments.
• Manage Azure VNet, ExpressRoute, and VPN Gateways for secure connectivity.
• Install and maintain Type-1 encryption devices and keying materials.
• Develop SOPs for key management, device auditing and incident response.
• Collaborate with Cloud, Network and Security engineers to resolve issues.

Skills

COMSEC

Infrastructure

Network Engineering

Education

BA/BS or equivalent experience

Tools

HAIPE

KMI

Terraform

Bicep

ARM templates

CSfC

ZTA

Job description

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

IT Infrastructure and Operations

Job Qualifications

• Skills: Communications Security (COMSEC), Infrastructure, Network Engineering
• Certifications: None
• Experience: 8 + years of related experience
• US Citizenship Required: Yes

Job Description

We are seeking a highly skilled COMSEC and Network Engineer to lead the integration and management of secure communications within a classified Azure Cloud environment. This role is critical in bridging the gap between traditional cryptographic hardware and modern software-defined networking in a high-stakes, multi-domain mission space. You will be responsible for the end-to-end security of data in transit, ensuring that our classified cloud infrastructure meets all regulatory requirements while maintaining peak operational performance.

Key Responsibilities

• Cryptographic Architecture: Design and implement Secure Communications (COMSEC) solutions across classified Azure environments (IL5/IL6), ensuring compliance with NSA Commercial Solutions for Classified (CSfC) requirements.
• Cloud Networking: Manage and optimize Azure virtual networks, ExpressRoute, and VPN Gateways to maintain low-latency, high-security connectivity.
• Hardware Integration: Install, configure, and maintain Type-1 encryption devices (e.g., TACLANE) and cryptographic keying materials using specialized management systems.
• Policy & Compliance: Develop and maintain Standard Operating Procedures (SOPs) for key management, device auditing, and incident response in accordance with government security mandates.
• Cross-Functional Collaboration: Partner with Cloud Architects, Network Engineers and Security Engineers to troubleshoot complex connectivity issues and mitigate vulnerabilities within the transport layer.
• Accountability & Inventory: Maintains records of all COMSEC material, performing physical inventories (often semi-annually) and securing Controlled Cryptographic Items (CCI).
• Keying Material Management: Orders, receives, secures, loads, and destroys COMSEC keying material using systems like the Key Management Infrastructure (KMI) or Simple Key Loader (SKL).
• Compliance & Audits:Conducts regular audits and inspections to identify vulnerabilities, ensuring compliance with National Security Agency (NSA) and agency policies.
• Incident Reporting:Reports known or suspected COMSEC incidents immediately to the program office, ensuring proper procedures are followed.
• Training & Briefing:Conducts initial briefings and debriefings for authorized users, managing access lists to restricted areas/material.
• Destruction and Disposal: Oversees the authorized destruction of keying material and coordinates the disposal of obsolete cryptographic equipment.

Required Qualifications

• BA/BS or equivalent experience
• Experience: 8+ years of experience in Network Engineering with at least 4 years focused on COMSEC and Cryptographic systems.
• Clearance: Secret with ability to obtain and maintain TS/SCI
• Cloud Expertise: Proven experience configuring networking components within Azure Government or Classified Cloud environments.

Technical Knowledge

• Deep understanding of OSI Model, TCP/IP, BGP, and IPsec.
• Proficiency with HAIPE (High Assurance IP Encryptor) devices and Key Management Infrastructure (KMI).
• Experience with CSfC Multi-Site and Mobile Access Capability Packages.
• Experience with Infrastructure as Code (Terraform, Bicep, or ARM templates) to automate secure network deployments.
• Familiarity with Zero Trust Architecture (ZTA) principles in a tactical or enterprise edge environment.
• Previous experience as a COMSEC Custodian or Alternate.

Certifications

• DoD 8570 IAT Level II or III (e.g., Security+, CISSP, or CASP+).
• Azure Solutions Architect or Azure Network Engineer Associate preferred.
• Clearance: Active Secret with ability to obtain and maintain TS/SCI

GDIT IS YOUR PLACE

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• 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, competitive pay and paid time off
• Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

The likely salary range for this position is $107,744 - $143,750. 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

10-25%

T elecommuting Options

Onsite

Work Location

USA CA El Segundo

Total Rewards at GDIT

• a variety of medical plan options
• some with Health Savings Accounts
• dental plan options
• a vision plan
• 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.
• full flex work weeks where possible
• a variety of paid time off plans, including vacation
• sick and personal time
• holidays
• paid parental
• military
• bereavement
• jury duty leave
• short and long-term disability benefits
• life
• accidental death and dismemberment
• personal accident
• critical illness
• business travel and accident insurance

Our Identity Verification Process:
As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:
We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans