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Cryptographic Engineer Jobs in Missouri (NOW HIRING)

Staff Information Security Engineer

Saint Louis, MO · On-site

$116K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Staff Information Security Engineer is expected to understand complex technology systems and ... Understanding of PKI, SSL/TLS, and cryptographic functions * Experience working in micro-segmented ...

Staff Information Security Engineer

Saint Louis, MO · On-site

$116K - $140K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The Staff Information Security Engineer is expected to understand complex technology systems and ... Understanding of PKI, SSL/TLS, and cryptographic functions * Experience working in micro-segmented ...

Senior Design and Analysis Engineer

Berkeley, MO

$136K - $185K/yr

  • Medical

  • Life

  • Retirement

Senior Design and Analysis Engineer Company: The Boeing Company Boeing Defense Space & Security ... Experience with Cryptographic units, Cross Domain Solutions/Guards including access CDS and ...

Senior Design and Analysis Engineer

Berkeley, MO · On-site

$136K - $185K/yr

  • Medical

  • Life

  • Retirement

Senior Design and Analysis Engineer Company: The Boeing Company Boeing Defense Space & Security ... Experience with Cryptographic units, Cross Domain Solutions/Guards including access CDS and ...

(USA) Senior Manager, Information Security

Noel, MO · On-site

$110K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

With a focus on automation, API-driven services, and developer experience, the team delivers resilient, highly available cryptographic solutions that enhance engineering productivity while ...

(USA) Senior Manager, Information Security

Anderson, MO · On-site

$110K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

With a focus on automation, API-driven services, and developer experience, the team delivers resilient, highly available cryptographic solutions that enhance engineering productivity while ...

(USA) Senior Manager, Information Security

Cassville, MO · On-site

$110K - $220K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

With a focus on automation, API-driven services, and developer experience, the team delivers resilient, highly available cryptographic solutions that enhance engineering productivity while ...

Principal Product Manager - Technical

O Fallon, MO · On-site

$156 - $265/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You will work closely with engineering, architecture, operations, and business leaders to deliver ... EMV and authorization cryptographic flows such as ARQC, ARPC, and related issuer validation ...

$65/hr

  • Medical

  • PTO

... cryptographic algorithms, and applied mathematics-documenting every failure mode so we can harden ... engineering and evaluation metrics. A master's or PhD in mathematics or a closely related ...

Lead Technical Program Manager

O Fallon, MO · On-site

$120K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... provide cryptographic, key management and certificate management functions utilized by global ... related product engineering backlog items or activities across teams, aligning dependent ...

Lead Technical Program Manager

O Fallon, MO

$120K - $156K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... provide cryptographic, key management and certificate management functions utilized by global ... Organizes and accelerates related product engineering backlog items or activities across teams ...

Showing results 41-60

Cryptographic Engineer information

See Missouri salary details

$29.1K

$89.9K

$119.6K

How much do cryptographic engineer jobs pay per year?

As of Aug 18, 2026, the average yearly pay for cryptographic engineer in Missouri is $89,857.00, according to ZipRecruiter salary data. Most workers in this role earn between $76,000.00 and $108,800.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a cryptographic engineer?

To thrive as a Cryptographic Engineer, you need a deep understanding of mathematics, cryptographic algorithms, and computer science, typically supported by a relevant degree in computer science, mathematics, or a related field. Familiarity with cryptographic libraries, security protocols, programming languages like C/C++ or Python, and certifications such as CISSP or CEH are commonly required. Strong analytical thinking, attention to detail, and effective problem-solving skills set standout professionals apart in this role. These competencies are essential to design, implement, and maintain secure systems that protect sensitive data and ensure organizational trust.

What are some common challenges faced by cryptographic engineers when implementing new encryption protocols in a production environment?

Cryptographic Engineers often encounter challenges such as ensuring compatibility with existing systems, maintaining performance while integrating robust security measures, and staying ahead of evolving cyber threats. Implementing new protocols may also require extensive testing to avoid vulnerabilities and ensure compliance with industry standards. Effective collaboration with software developers and IT teams is crucial to ensure seamless deployment and minimize potential disruptions to business operations.

What does a cryptographic engineer do?

A cryptographic engineer designs, develops, and implements encryption algorithms and security protocols to protect data confidentiality and integrity. They analyze cryptographic systems, stay updated on security vulnerabilities, and often work with programming languages like C or Python, as well as cryptography tools and standards. Their work is essential in securing communications, financial transactions, and sensitive information across various industries.

What are popular job titles related to Cryptographic Engineer jobs in Missouri?

For Cryptographic Engineer jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Cryptographic Engineer jobs in Missouri look for?

The top searched job categories for Cryptographic Engineer jobs in Missouri are:

What cities in Missouri are hiring for Cryptographic Engineer jobs?

Cities in Missouri with the most Cryptographic Engineer job openings:

Infographic showing various Cryptographic Engineer job openings in Missouri as of August 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 84% Physical, 6% Hybrid, and 10% Remote job distribution, with an average salary of $89,857 per year, or $43.2 per hour.

Network/SATCOM Engineer

CACI International, Inc.

Saint Louis, MO • On-site

Full-time

Medical, Retirement, PTO

Re-posted 13 days ago


Job description

Job Title: Network/SATCOM Engineer
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
* * *
Network Engineer III - SATCOM Engineer
The Opportunity
Team CACI has an exciting and challenging opportunity available for a Network Engineer supporting an Intelligence Community customer's wide-area (WAN), local-area (LAN) and campus-area (CAN) networks across multiple security domains. Experience in complex telecommunications applications involving all phases of telecommunications network design, implementation, and analysis. 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 voice, video, and data cable systems. Develops system specifications, architecture designs, integration and test plans, and all relevant documentation. Develops risk management and mitigation strategy. Maintain compliance with QA standards as well as ensuring service performance indicators are met or exceeded.
Responsibilities:
• Focus will be on Network Engineering
• Coordination of system maintenance, monitoring and installation of multiple WAN/LAN environments encompassing multiple specializations, platforms and technologies.
• Assist with research and implementation of enterprise system-wide network solutions/capabilities/enhancements to support customer business/mission goals and objectives.
• Troubleshoot and resolve network media and components.
• Evaluate and monitor health and performance of the network including hardware and management software.
• Develop and maintain a road map for capabilities, operations, and technologies.
• Assist with development and execution of test plans and supporting documentation of all network configuration upgrades, additions or revisions for customer approval before implementation.
• Support network traffic analysis and bandwidth optimization efforts to ensure attainment of performance and availability objectives.
• Evaluate and report on new/emerging network/communication technologies to enhance capacity, performance and reliability of the network.
• Evaluate and recommend changes and/or technology upgrades to address performance, standardization and industry best practices
• Follows all Customer network security processes and procedures, ensures compliance with all Government policies.
• Represent customer requirements in technical exchanges with other government agencies.
• Perform site surveys to new installations and technology refresh.
• Installs, maintains and troubleshoots satellite communications equipment.
• Develop and maintain network architecture diagrams.
Qualifications:
Required:
• Ability to work independently with little direction and guidance
• Security Clearance: active TS/SCI CI Poly
• 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
• 8+ years related technical experience in Network and Transport technologies, tools, and techniques
• 8+ years experience with large-scale enterprise/global networks in a high paced diverse environment
• Understanding and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
• Experience with Juniper, switches, routers, Cryptographic devices, VPN and VPN client, Starshield
• Experience with Network analysis tools (Forward Networks, HP Network Node Manager, Riverbed etc.)
• Experience with supporting IP services to connect to NIPRNET, SIPRNET and JWICS (IPv4, VPN, Multicast, QOS, SDN, SNMP, VOIP, VTC, etc)
• Experience with OSPF, BGP, MPLS and multicast.
• Experience with Small Aperture Terminals (VSAT) and larger fixed ground station satellite systems operating in a variety of industry standard SATCOM network configurations to include SCPC, TDMA, etc
What You Can Expect:
A 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 Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$75,200-$158,100
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.