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CACI International Cyber Security Analyst in Springfield, Virginia

Cyber Security Analyst

Job Category: Information Technology

Time Type: Full time

Minimum Clearance Required to Start: TS/SCI

Employee Type: Regular

Percentage of Travel Required: Up to 10%

Type of Travel: Local

CACI's Transport & Cybersecurity (TCS) program has an immediate opportunity for a Cyber Security Analyst to join our (growing) Advanced Cybersecurity Analytics team in Springfield, VA! This position is on a long-term, CACI Prime contract supporting our Government Customer's GEOINT mission.

What You’ll Get to Do

You will provide advanced cybersecurity analytics (ACA) services which aggregates and analyzes products, data, and information to identify trends and patterns, anomalous activity, provide situational awareness of NGA’s networks, missions and threats, and provide operational recommendations, visualizations, tuning requests, and custom signature creation to the CSOC and other internal and external stakeholders.

More About the Role

  • Analyze trends and patterns of data on NGA networks to identify and predict previously undiscovered events and incidents, and develop or tune rules/signatures/scripts as needed

  • Coordinate with other Cybersecurity Operations to develop or tune rules/signatures/scripts

  • Coordinate with other Cybersecurity Operations Services to investigate and obtain information about potential sources of compromise on NGA systems, and develop or tune rules/signatures/scripts as needed

  • Correlates and analyzes precursors to incidents, and develop or tune rules/signatures/scripts as needed

  • Improve SIEM alert efficiency though evaluation of valid alerts and false positives, and develop or tune rules/signatures/scripts as needed

  • Assists the Cyber Incident Response Team by assessing ongoing incident activity to predict adversary responses and locations of compromise

  • Documents all work in the authorized ticketing system with a sufficient level of detail to ensure the Government and other contract services can systematically reconstruct the analysis

  • Provide input to the daily CSOC Significant Activity Report, the daily CSOC Operations Update, and the Weekly CSOC Status Report

You’ll Bring These Qualifications:


TS/SCI Clearance (current) with the ability to successfully pass/maintain Government Polygraph (post-hire).

Education / Experience

BA/BS Degree and Six (6) years of related advanced cyber security analytics work experience. Additional experience may be considered in lieu of degree.


DoD 8140.01 and DoD 8570.01-M IAT Level III compliant; CSSP Analyst certification must be obtained within 120 days of hire date.

Key Skills:

  • Data mining or building queries in a SIEM

  • Strong understanding of signature development and tuning

  • Strong understanding of network protocols and analysis with protocol analyzers

These Qualifications Would Be Nice to Have

  • Good working knowledge of regular expressions

  • Knowledge of static file signatures, i.e. "magic numbers"

  • Comfortable in a hex editor

  • Ability to write Python / Bash / PowerShell scripts

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.

  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

  • We offer competitive benefits and learning and development opportunities.

  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.


Company Overview: At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is an Equal Opportunity Employer – Females/Minorities/Protected Veterans/Individuals with Disabilities.

As a federal contractor, CACI is subject to any federal vaccine mandates or other customer vaccination requirements. All new hires are required to report their vaccination status.