Cloud Security Engineer

ManTech; Illinois; On-site; USD 142,000 - 236,000; Full time

Benefits offered by this job

Health Insurance

Paid Time Off

Holiday Pay

Disability Insurance

Retirement and Savings

Job summary

MANTECH is seeking a highly technical Cloud Security Engineer to join our team in Herndon, VA, focusing on enhancing the customer’s cloud incident response posture. The candidate will bring strong AWS and SIEM expertise, plus scripting and automation skills.

Responsibilities include developing detection rules in Splunk, automation of incident response, and collaboration with CSOC to improve enterprise security. Active TS/SCI w/ Polygraph is required.

Qualifications

• 7+ years of experience with cloud security, cloud engineering or cyber operations.
• 7+ years of experience with Operating Systems, Network Infrastructure, Security Principles or System Architecture.
• 5+ years of experience with AWS.
• 3+ years of experience coding and scripting in Python.

Responsibilities

• Design, architecture and implementation of cloud security monitoring systems at enterprise scale.
• Develop and maintain scripts and automation tools using Python or similar languages.
• Design and implement automated incident response playbooks to streamline CSOC processes.
• Collaborate with CSOC team members, provide mentorship, plan cyber exercises and train staff.
• Stay current on cybersecurity trends and technologies; identify opportunities for process improvement.

Skills

Cloud security

Operating systems & networking

AWS

Python scripting

SIEM

Splunk

Education

Bachelor's degree in Computer Science / IT or related field

Tools

Splunk

SOAR platforms

Azure

Job description

General information

Requisition #: R70738

Locations: USA-VA-McLean, USA-VA-Herndon

Posting Date: 09/15/2026

Security Clearance Required: TS/SCI w/ Poly

Remote Type: Onsite

Time Type: Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now - unleash your potential with MANTECH!

MANTECH seeks a highly technical Cloud Security Engineer to join our team in Herndon, VA. Join a dedicated team of cybersecurity experts focused on enhancing the customer’s cloud incident response posture. The ideal candidate brings a strong background in Amazon Web Services (AWS), cyber development, scripting, and automation, coupled with deep expertise in Security Information and Event Management (SIEM) tools.

Responsibilities include, but are not limited to:

• Systems Design & Architecture: Consult on the design, architecture, and implementation of cloud security monitoring systems at enterprise scale.


• Development and Scripting: Develop and maintain scripts and automation tools using Python or similar programming languages.


• Automation and Orchestration: Design and implement automated incident response playbooks to streamline CSOC processes.


• Collaboration and Mentorship: Work closely with CSOC team members to share insights and coordinate response efforts. Provide technical expertise and mentorship to junior staff; plan and implement cyber exercises and drills to sharpen team skills; and prepare reference and training materials for cloud and incident response.


• Continuous Improvement: Stay current on cybersecurity trends, threats, and technologies. Identify opportunities for process improvement and implement best practices. Maintain up-to-date knowledge of relevant AI concepts pertaining to cloud and incident response security.


• Splunk Detection Development: Develop, tune, and optimize detection rules for AWS and other cloud-based platforms using Splunk Query Language.

Minimum Qualifications:

• 7+ years of experience with cloud security, cloud engineering or cyber operations


• 7+ years of experience with Operating Systems, Network Infrastructure, Security Principles or System Architecture


• 5+ years of experience with AWS


• 3+ years of experience coding and scripting in Python

Preferred Qualifications:

• Bachelor's degree in Computer Science, Information Technology, or a related technical field


• Experience with automation and SOAR platforms


• Experience in one of the following: incident response, threat hunt, or detection engineering


• Experience with Azure/OCI


• Relevant certifications (e.g., CISSP, GIAC, CEH)

Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position

Physical Requirements: Must be able to remain in a stationary position 50% of the time

The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [e-mail] and provide your name and contact information.