Senior DevSecOps Engineer

Leidos Inc; Huntsville (AL); On-site; USD 131,000 - 237,000; Full time

Job summary

Leidos is seeking a Senior DevSecOps Engineer for our Huntsville, AL office to bridge program leadership with cybersecurity stakeholders. The role emphasizes secure development environments, incident response, and ongoing compliance across Windows and Linux systems in both classified and unclassified settings.

Qualified candidates possess a BS in CS/IS (or MS with 10+ years), multiple security certifications (CISSP, Sec+, CySA+, Pentest+), and extensive cloud experience (AWS/Azure).

Qualifications

• B.S in Computer Science, Information Systems, or equivalent technical degree and 12+ prior years of experience or 10+ years with M.S degree.
• Candidate must be a resident of north Alabama or willing to relocate to the area.
• CISSP, CompTIA Security+, CySA+, PenTest+ certifications.
• Advanced knowledge of cloud infrastructure (AWS, Azure).
• Advanced competency with security integration and compliance in both classified and unclassified environments.
• Advanced knowledge of network protocols (SSH, HTTP/S, TCP/IP, DHCP, DNS, RDP, VPN).
• Advanced experience with Windows and Linux OS (shell, software install/update, access management, basic scripting).
• Strong communication and problem-solving skills.
• Advanced proficiency in MS365 tools (Word, PowerPoint, Excel, SharePoint).
• Ability to work across multiple teams/programs (i.e. multitask).

Responsibilities

• Serve as technical representative and liaison between program leadership and corporate cybersecurity stakeholders.
• Analyze and understand cybersecurity requirements and engage with stakeholders to communicate impact of requirements.
• Work with stakeholders to implement cybersecurity standards and best practices.
• Research security trends and advise on methods to mitigate potential impact.
• Design, implement, and maintain secure development environments supporting program functions.
• Perform and coordinate technical tasks for programs to ensure compliance.
• Create and maintain artifacts for programs regarding cybersecurity policies, procedures, and evidence of cybersecurity compliance.
• Perform system administration tasks including user access, software installation and updates, system monitoring, system hardening, and vulnerability remediation.
• Respond to and mitigate security incidents and threats.
• Provide technical support to programs for cybersecurity requirements and information systems.

Skills

CISSP

CompTIA Security+

CySA+

PenTest+

AWS

Azure

Security integration

Network protocols

Windows

Linux

MS365

multitask

Education

Bachelor's Degree in Computer Science/Information Systems

Tools

CrowdStrike

Splunk

Nessus

UFW

Job description

Description

Leidos is dedicated to making the world a safer place. This starts with helping our customers in the Defense Industry achieve their critical missions. Our dedicated Defense Sector employees are solving critical challenges across the globe. At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. With offices across the United States engaging in the defense, space, cyber and commercial fields, Leidos provides responsive, cost-effective engineering, scientific and IT solutions. Leidos is well known for our people-oriented culture, positive work environment, technical excellence, and resilient business ethics.

Within the Defense Sector, the Airborne Solutions Business Area at Leidos currently has an opening for a talented Senior DevSecOps Engineer to work in our Huntsville office.

Primary Responsibilities

• Serve as technical representative and liaison between program leadership and corporate cybersecurity stakeholders.
• Analyze and understand cybersecurity requirements and engage with stakeholders to communicate impact of requirements.
• Work with stakeholders to implement cybersecurity standards and best practices.
• Research security trends and advise on methods to mitigate potential impact.
• Design, implement, and maintain secure development environments supporting program functions.
• Perform and coordinate technical tasks for programs to ensure compliance.
• Create and maintain artifacts for programs regarding cybersecurity policies, procedures, and evidence of cybersecurity compliance.
• Perform system administration tasks including user access, software installation and updates, system monitoring, system hardening, and vulnerability remediation.
• Respond to and mitigate security incidents and threats.
• Provide technical support to programs for cybersecurity requirements and information systems.

Basic Qualifications

• B.S in Computer Science, Information Systems, or equivalent technical degree and 12+ prior years of experience or 10+ years with M.S degree.
• Candidate must be a resident of north Alabama or willing to relocate to the area.
• CISSP, CompTIA Security+, CySA+, PenTest+ certifications.
• Advanced knowledge of cloud infrastructure (AWS, Azure).
• Advanced competency with security integration and compliance in both classified and unclassified environments.
• Advanced knowledge of network protocols (SSH, HTTP/S, TCP/IP, DHCP, DNS, RDP, VPN).
• Advanced experience with Windows and Linux OS (shell, software install/update, access management, basic scripting).
• Strong communication and problem-solving skills.
• Advanced proficiency in MS365 tools (Word, PowerPoint, Excel, SharePoint).
• Ability to work across multiple teams/programs (i.e. multitask).

Preferred Qualifications

• Possess and be able to maintain an active Top Secret clearance.
• Hands‑on experience with System Administration and Security Tools (CrowdStrike, Splunk/Nessus, UFW).
• Knowledge of Security Protocols (TLS/SSL, Kerberos, LDAP).
• Knowledge of relevant cybersecurity standards (NIST 800-171, NIST 800-53, Risk Management Framework (RMF), Cybersecurity Maturity Model Certification (CMMC)).

Security Clearance Qualifications

Must be a U.S. Citizen with the ability to obtain and maintain a Top Secret Security Clearance.

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: August 6, 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: $131,300.00 - $237,350.00

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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.