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Crypto Engineer T3

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: CACI International Inc
Full Time position
Listed on 2026-10-17
Job specializations:
  • IT/Tech
    Cybersecurity
Salary/Wage Range or Industry Benchmark: 75000 - 158000 USD Yearly USD 75000.00 158000.00 YEAR
Job Description & How to Apply Below
Location: St. Louis

Job Title:

Crypto Engineer T3

Job Category:
Information Technology

Time Type:
Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type:
Regular

Percentage of

Travel Required:

Up to 10%

Type of Travel:
Local

* * *

The Opportunity

Team CACI has an exciting and challenging opportunity available for a Crypto Engineer. You will support an Intelligence Community customer’s wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Focus will be on preforming COMSEC, cryptologic duties to include operation and maintenance of encryption devices. Experience in complex telecommunications applications involving all phases of telecommunications network design, implementation, and analysis.

Demonstrated knowledge in communications security for monitoring, operating and maintaining cryptographic devices. Performs research, requirements analysis, design, installation, troubleshooting, and support of local- and wide-area network hardware, software and applications. Can install and configure WAN and LAN hardware to include cryptographic, voice, video, and data cable systems.

Responsibilities
  • Preform Account Management, Custodian Duties and Encryption device configurations and maintenance.
  • Maintain multiple Secure Communication devices across the Enterprise.
  • Will have experience with the following encryption devices:

    - General Dynamics family: KG175D, KG175F, KG175G and KG175X - L-3 Family: KG245A and KG245X - Viasat Family: KG250, KG250X, KG255X and KG142
  • Will have experience with the following encryption device managers:

    - General Dynamics GEM ONE - L-3 Common HAIPE Manager (CHM) - VIASAT VINE
  • System maintenance, monitoring and installation of multiple WAN/LAN environments encompassing multiple specializations, platforms and technologies.
  • Troubleshoot and resolve network media and components.
  • Monitor health and performance of the communications security services including hardware and management software.
Qualifications

Required:
  • Bachelor’s degree in Computer Science or related field
  • DOD 8570 IAT2 level certification (Security +)
  • Security Clearance: active TS/SCI, eligibility to take and pass a CI polygraph.
  • Ability to work independently with little direction and guidance.
  • Ability to work weekends and evening hours as needed.
  • Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations
  • Ability to work weekends and evening hours as needed.
  • Excellent writing and communication skills, including the ability to develop analytical documents and present oral presentations to senior/executive management.
  • Proficient is MS Office suite – Visio, Word, Excel, PowerPoint, and Project
Desired
  • JNCIA (Juniper Networks)
  • TCP/IP Networks
  • CISCO CCNP, CCVP, CCNA or CCDP
  • ITIL v3 Foundations
  • ISC2 CISSP
What You Can ExpectA culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Pay Range

There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal…

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