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General information

Requisition #
R58839
Locations
USA-VA-Chantilly, USA-CO-Denver
Posting Date
03/04/2025
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 motivated, career and customer-oriented Principal Cyber Security Engineer to join our team in Chantilly, VA or Denver, CO. 

Responsibilities include but are not limited to: and engaging!

  • Responsible for day-day operation of large Splunk environment.

  • Troubleshooting new and current data collection issues

  • Troubleshooting system issues that make the system unstable or unusable.

  • Deployment and Managing all supported and unsupported Splunk Add-ons that are required for specific data sources

  • Integrations with other systems via API or other similar methods

  • Deliver a comprehensive Splunk deployment document to detail the specifications, deployment methods, and other architectural considerations to the production environment.

  • Forwarder Configurations and Deployments: Design and deploy forwarders rapidly with centralized configuration management (Splunk Deployment Server).

  • Oversee Knowledge Object Management such as CIM management and tuning

Minimum Qualifications:

  • Bachelor’s degree or 4+ additional years of cyber experience in lieu of degree

  • 7+ years of cyber experience

  • 5+ years working in an enterprise environment as a cyber engineer, system administrator or other security personnel

  • 3+ years of experience with Splunk Enterprise Security

  • Experience with Unix and Windows operating systems

  • Experience with network monitoring tools

  • Knowledge of network protocols

  • DoD 8570 IAT Level II certification or the ability to obtain within six months of hire

Preferred Qualifications:

  • Experience with scripting languages (bash), application development (Java, Perl, Python, .NET), databases and analytical tools

  • Experience with security and operational related use cases is desired

  • Splunk certifications: Architect, Consultant I, Consultant II, Admin, Power User

Clearance Requirements:

  • Must have a current/active TS/SCI w/Polygraph

Physical Requirements:

  • The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.


The projected compensation range for this position is $112,400.00-$186,500.00. 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 it’s 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 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. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.