Technical Lead at Leidos in Chantilly, VA

The Tech Lead will work with a team of engineers, developers, cybersecurity engineers, system architects, and testers.

Core business hours are typically from 9 AM – 3 PM, five days a week. Hours can be flexible for either early arrivals, and/or late departures. Some after hours or weekend work may be required to accommodate system deployments and upgrades.

While not required, it is highly desirable for the Candidate to have knowledge of Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust models. Additionally, the ability to design a robust system to issue, manage, and revoke digital certificates while ensuring the integrity and authenticity of users and entities within a network is desirable. Candidates who do not have all these abilities, but have the ability to learn them, will be considered.

*** Applicants for this position are expected to have significant, hands-on systems architecture / engineering experience. ***

Primary Responsibilities

• Provide technical guidance to the team’s System Engineers and Developers
• Provide status updates to contract PMO and government staff lead
• Assist in completing monthly Program Management Review (PMR) charts
• Represent the team at staff meetings, requirements meetings, tech lead meetings, and TEMs
• Represent the team at community wide working groups and coordinate the sponsor’s response to action items
• Shepherd new requirements thru the sponsor’s requirements process / pipeline
• Ensure designs are compatible with the architecture and security requirements
• Work with the team’s security engineer to address/mitigate security findings stemming from system security scans
• Prepare communications for upcoming releases
• Work with the government staff lead and project team lead to prioritize work
• Work with all Cloud Service Providers to meet their PKI requirements
• Research new technologies / products that will help increase the overall Authentication security posture for sponsor systems

Required Qualifications

• Active TS/SCI with Polygraph
• Master’s degree and 15+ years of experience
• Significant experience with System Architecture and Engineering
• Familiarity with the sponsor’s enterprise systems
• Working knowledge of PKI Certificates
• Significant experience with cloud technologies (AWS, Microsoft, Google, and/or Oracle)
• Strong, hands-on experience with Linux (CLI)
• Experience with scripting and programming languages like BASH and Python
• Experience in working on teams utilizing Agile workflows and processes
• Experience with Jira

Desired Qualifications

• Experience with Public Key Infrastructure (PKI) and understand key concepts like digital certificates, Certificate Authorities (CAs), Registration Authorities (RAs), key management practices, cryptographic algorithms, certificate revocation procedures, and trust chains
• Experience working with CloudFormation / Puppet / Groovy, or other configuration and automation tools
• Experience with relational databases (PostgreSQL, MySQL / MariaDB, Oracle)
• Experience with Jenkins
• Experience with containers
• Network engineering troubleshooting between Cloud environments and non-Cloud environments
• Experience working with Infrastructure as Code (IaC) solutions such as Ansible / Terraform, or other configuration and automation tools
• Solid understanding of Web Application Firewall (WAF) configuration and management
• Experience with networking (e.g., ports, routing tables, subnets, VPNs, firewalls, routers, etc.) to include design, integration and troubleshooting issues
• Experience working in a cloud-based environment (AWS)

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

February 23, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

Pay Range $154,050.00 - $278,475.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.