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Cyber Security Engineer, Detections Lead, USA-VA-SPRINGFIELD

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Full time


Secure our Nation, Ignite your Future

Secure our Nation, Ignite your Future

Entering ManTech’s 50th year, we hold the distinct honor of being named a “Top 100 Global Technology Company” by Thomson Reuters. We understand that in order to hold this distinct honor, we must provide our employees with the opportunity to break through barriers.  We reinvest in our employees through rich educational opportunities such as 100% paid tuition for qualifying Bachelor’s and Master’s degrees, rich training and certification programs allowing our employees to obtain industry best certifications, a variety of Communities of Practice (COPs) where employees can exchange knowledge and much more, along with a vast array of instruction and resources needed for personal and professional development through our very own ManTech University.  In addition to those amazing benefits, ManTech also has a fully dedicated Career Mobility team to provide you with guidance and assistance to continue to grow your career with ManTech.

ManTech is seeking a motivated, career and customer-oriented Cyber Security Engineer- Detections Lead to join our team in Springfield, VA, to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech. 

Responsibilities include, but are not limited to:

Support Cyber Operations Squadron (COS) activities to publish up-to-date cybersecurity tool signatures (e.g. anti-virus and host based security systems)

Provide focused analysis, including reverse malware engineering, against intrusion, anomalies, malware, viruses to identify critical information about source, intended target, affected systems or hosts, recommended mitigation measures and risk to mission

Formulate custom Security Information and Event Management (SIEM) tool content and IDS/IPS signatures to address threats

Performs security event and incident correlation using information gathered from a variety of sources within the enterprise

Analyzes and assesses damage to the data / infrastructure as a result of cyber incidents

Performs cyber incident trend analysis and reporting.

Characterizes and performs analysis of network traffic and system data to identify anomalous activity and potential threats to resources.

Provides detection, identification, and reporting of possible cyber-attacks/intrusions, anomalous activities, and misuse activities

Create and deploy threat-based signatures for operational intrusion detection capabilities.

Create and implement detection rules from intelligence reporting

Basic Qualifications:

Minimum Education: B.S. or equivalent experience in related field

 Minimum/General Experience: 4 years of related experience

Experience with modern Windows, UNIX, network operating systems, databases, and virtual computing

DoD 8570 certification meeting IAT Level II ((GSEC, Security+, SSCP, or CCNA-Security)) required

CNDSP-A (GCIA, GCIH, or CEH) or CNDSP-IR (GCIH, CSIH, or CEH) certification required

Demonstrated Technical Experience:

Experience performing analysis of network traffic and correlating diverse security logs to perform recommendations for signature development

Knowledge with implementation of counter-measures or mitigating controls.

Ability to support incident response and forensic operations as required to include static/dynamic malware analysis and reverse engineering

Experience with enterprise security tools, including Security information and event management (SIEM), Threat intelligence platforms (TIPs), or Network monitoring tools

Experience in creating, modifying, tuning, IDS signatures/SIEM correlation searches and other detection signatures.

Preferred Qualifications:

Proficient in Linux operating systems

Advanced skills in Linux/Unix (command line user – proficient and used in last 6 months)

Working knowledge of current COTS Cybersecurity technologies.

Security Clearance Requirements:

TS/SCI w/Poly

Physical Requirements:

Must be able to remain in a stationary position 50%

Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer

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


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 as a result of your disability. To request an accommodation please click ca*****@ma*****.com and provide your name and contact information.

ManTech / Equal Opportunity Employer / JBMAN-R41309 


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