Secure our Nation, Ignite your Future

Become an integral part of a diverse team that leads the world in Mission, Cyber, and Technology Solutions. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.

As a Principal Cyber Engineer you will be responsible as part of a team of highly skilled professionals for designing, developing, testing and integration of a “from the ground up” new Microsoft on-premises Enterprise IT datacenter for supporting multiple DoD organizations. This is an outstanding opportunity to design and build a new greenfield on-premise cloud solution that will eventually connect to commercial cloud providers. This position offers great opportunities for technical experience and growth. Position has some remote work flexibility.

Position Responsibilities:

• Designing, developing, testing, and integrating NIST 800-53 series Protection Level 3 Cybersecurity solutions in an on-premises Enterprise IT datacenter using Agile methodologies in accordance with best practices

• Producing Infrastructure as Code (IaC) or Configuration as Code (CaC), delivering solutions with a code first approach with sufficient comments and structure

• Participate in peer code reviews

• The Cybersecurity Engineer shall work with customers to verify security controls and assist in implementing strategies to ensure the cybersecurity posture of the systems is effective and able to scale

• Designs, tests, and implements secure operating systems, networks, security monitoring, tuning and management of IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions.

• Develops solutions to implement Zero Trust Architecture

• Identifies potential conflicts with implementation of any CND tools within the enterprise and develop recommendations to remediate these conflicts.

• Provides subject matter expertise in creation, editing, and management of signatures, rules and filters for specialized network defense systems including but not limited to network and host-based IDS, IPS, firewall, web application firewall, proxy and SIEM systems.

• Develops and documents security engineering guidance, processes, and procedures.

• Collaborates closely with the team using Agile methodologies

• Designs, tests, and implements secure operating systems, networks, security monitoring, tuning and management of IT security systems and applications, incident response, digital forensics, loss prevention, and eDiscovery actions.

• Conducts risk and vulnerability assessment at the network, system and application level.

• Researches, evaluates and recommends new security tools, techniques, and technologies and introduces them to the enterprise in alignment with IT security strategy.

Basic Qualifications:

• Bachelor’s Degree in Computer Science, Cybersecurity, Information Systems, or other related scientific or technical discipline is preferred. Work experience or industry certifications demonstrating technical proficiency may be substituted for education requirements

• 7+ years of relevant experience

• Minimum DoD 8570 IAT Level 2 certification required (CCNA Security, GICSP, GSEC, Sec+, CND, SSCP)

• DoD 8570 Computing Environment certification within 6 months of hire

• Proficiency in PowerShell, Bash, Python, YAML, JSON or Ansible for automation

• Experience with security apps such as Ivanti

• Secure printing

• RSA MFA

• Appgate

• Sentris

• Palo Alto

• Splunk

• HBSS

Preferred Qualifications:

• Extensive knowledge of Microsoft Azure, AWS, or Google Cloud platforms

• Minimum DoD 8570 IAT Level 3 certification

• Experience with secure cloud edge computing solutions

• GitHub Enterprise, GitLab, Azure DevOps or other code repositories experience

• CI/CD pipeline experience

Clearance Requirements:

Active Top Secret clearance adjudicated within the past 6 years. Candidate must be open to CI poly.

Physical Requirements:

• Must be able to remain in a stationary position up to 75%

• The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

• The person in this position needs to occasionally move about inside the office.

• The person in this position will need to be able to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone.

ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.

If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.

If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access