CA
CACICyber Security/Information Assurance Engineer
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Before you apply
Salary$104k – $218k
LocationChantilly, VA, US
Work modeon-site
Typefull-time
SenioritySenior
Experience7+ yrs
DepartmentInformation Technology
Company size10,000+ people
PostedOct 29, 2026 · 1w ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Bachelor of Science in Cybersecurity, Computer Science, Information Systems, or Computer Systems Engineering
7+ years of hands-on experience in information security, network security, or systems engineering
Knowledge of firewalls, VPNs, IDS/IPS, and endpoint protection
Proficiency in Linux, Windows, TCP/IP, and network architecture
Understanding of risk assessments, security frameworks, vulnerability management, and incident response
TS/SCI with Polygraph
Familiarity with conducting security assessments in support of A&A decisions
Experience writing scripts or code using Python, C++, Java, Bash, or PowerShell for automation and log analysis
Familiarity with NIST SP 800-53/800-53A R4, 800-30, 37 and 39
Familiarity with CNSS Instruction No. 1253
Knowledge of Federal laws, regulations, policies, and ethics as they relate to cybersecurity
Knowledge of cyber defense and vulnerability assessment tools
Knowledge of cybersecurity principles and organizational requirements
Knowledge of risk management processes
Knowledge of specific operational impacts of cybersecurity lapses
Knowledge of current methods for evaluating IT security assessment, monitoring, detection, remediation tools
Knowledge of IT security principles (firewalls, demilitarized zones, encryption)
Knowledge of cyber threats and known vulnerabilities
Knowledge of computer networking concepts and protocols, network security methodologies
Knowledge of network security architecture concepts (topology, protocols, defense-in-depth)
Knowledge of Cloud technology
Knowledge of system and application security threats (buffer overflow, cross-site scripting, SQL injection)
Skill in discerning security controls needs
CompTIA Security+
GIAC Security Essentials (GSEC)
Certified Information Systems Security Professional (CISSP)
Ability to write technical reports and conduct briefings
Skills
Linux
Windows
TCP/IP
Python
C++
Java
Bash
PowerShell
Xacta-360
NIST SP 800-53
NIST SP 800-53A R4
NIST SP 800-30
NIST SP 800-37
NIST SP 800-39
RMF
firewalls
VPNs
IDS/IPS
endpoint protection
vulnerability assessment tools
cloud technology
Benefits
Healthcare
Wellness
Financial
Retirement
Family support
Continuing education
Time off
Job Title: Cyber Security/Information Assurance EngineerJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *
The Opportunity:
The Cyber Security/Information Assurance Engineer/Technician will function as a Security Control Assessor (SCA) following National Institute of Standards and Technology (NIST) Special Publication (SP) 800-53 and or 800-53A Revision 4 guidance and or procedures to conduct a comprehensive assessment of the management, operational, and technical security controls employed within or inherited by complex and diverse information systems to determine the overall effectiveness of the control implementation. The goal is to determine the extent to which the assigned security controls are implemented correctly, operating as intended and producing the desired outcome with respect to meeting the regulatory and or statutory security requirements for National Security Systems.
Responsibilities:
The candidate will perform the following tasks and or participate in the following activities as part of their role as a SCA:
•
Evaluate Government customer systems against NIST SP 800 53/53A R4, 30, 37 and 39, RMF and other security standards and publications as well as Government customer defined security guidelines and regulations. Utilizing the customer assessment tracking system, Xacta-360. Function as an independent and unbiased advocate who provides evidence to validate the trustworthiness of the system for the designated Authorizing Official (AO).
•
Conduct hands-on security control testing, analyze Body of Evidence (BoE) documentation and test results, document risk and recommend countermeasures.
•
Provide an assessment of the severity of weakens or deficiencies discovered in the information system and its environment of operation and recommend corrective actions to address identified vulnerabilities.
•
Conduct hands-on security testing leveraging commercial tools and custom developed scripts and procedures.
•
Execute vulnerability/compliance assessment tools and evaluate results for systems undergoing security assessment.
•
Participate in joint test teams with other customer organizations and or Government Agencies to complete security assessment and adjudication.
•
Coordinate with other program elements conducting security testing.
•
Actively participate in or lead technical exchange meetings and application review boards, documenting actions items/results of these events.
•
Brief management, as needed, on the status of action items and/or results of activities.
•
Prepare security assessment reports containing the results and findings form the assigned security control assessments.
•
Provide documentation to the customer which describes all identified system risks, planned test procedures taken and test results.
•
Provide enhancement capabilities and SOPs to assessment operations for execution and implementation.
•
Maintain accountability to ensure integrity and confidentiality of the process.
•
Responsible for implementing and applying technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.
•
Investigates network device and information security incidents to determine extent of compromise to national security information and automated information systems.
Qualifications:
Required:
•
Bachelor of Science in Cybersecurity, Computer Science, Information Systems, or Computer Systems Engineering
•
7+ years of hands-on experience in information security, network security, or systems engineering.
•
Knowledge of firewalls, Virtual Private Networks (VPNs), Intrusion Detection/Prevention Systems (IDS/IPS), and endpoint protection.
•
Proficiency in Linux, Windows, TCP/IP, and network architecture.
•
Understanding of risk assessments, security frameworks, vulnerability management, and incident response.
Nice to have
Desired:
•
Familiarity with conducting security assessments in support of accreditation and/or authorization (A&A) decisions.
•
Experience writing scripts or code using Python, C++, Java, Bash, or PowerShell for automation and log analysis.
•
Familiarity with National Institute of Standards and Technology (NIST) Cybersecurity
•
Framework and National Institute of Standards and Technology (NIST) Risk Management Framework (RMF) requirements.
•
Familiarity with National Institute of Standards and Technology (NIST) Special Publication (SP) 800-53 and or 800-53A Revision 4 as well as 800-30, 37 and 39.
•
Familiarity with the Committee on National Security Systems (CNSS) Instruction No. 1253.
•
Knowledge of Federal laws, regulations, policies, and ethics as they relate to cybersecurity.
•
Knowledge of cyber defense and vulnerability assessment tools, including open-source tools, and their capabilities.
•
Knowledge of cybersecurity principles and organizational requirements (relevant to confidentiality, integrity, availability, authentication, non-repudiation).
•
Knowledge of cybersecurity principles used to manage risks related to the use, processing, storage, and transmission of information or data.
•
Knowledge of risk management processes (e.g., methods for assessing and mitigating risk).
•
Knowledge of specific operational impacts of cybersecurity lapses.
•
Knowledge of current industry methods for evaluating, implementing, and disseminating information technology (IT) security assessment, monitoring, detection, and remediation tools and procedures utilizing standards-based concepts and capabilities.
•
Knowledge of information technology (IT) security principles and methods (e.g., firewalls, demilitarized zones, encryption).
•
Knowledge of cyber threats and known vulnerabilities from alerts, advisories, errata, and bulletins.
•
Knowledge of computer networking concepts and protocols, and network security methodologies.
•
Knowledge of network security architecture concepts including topology, protocols, components, and principles (e.g., application of defense-in-depth).
•
Knowledge of Cloud technology.
•
Knowledge of system and application security threats and vulnerabilities (e.g., buffer overflow, mobile code, cross-site scripting, Procedural Language/Structured Query Language [PL/SQL] and injections, race conditions, covert channel, replay, return-oriented attacks, malicious code).
•
Skill in discerning the protection needs (i.e., security controls) of information systems and other computing environments.
•
CompTIA Security+
•
GIAC Security Essentials (GSEC)
•
Certified Information Systems Security Professional (CISSP)
•
Ability to write technical reports and conduct briefings.
•
What You Can Expect:
A culture of integrity.
At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
An environment of trust.
Benefits
CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.
A focus on continuous growth.
Together, we will advance our nation’s most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.
Pay Range:
There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.
The proposed salary range for this position is:
$103,800 - $218,100
Legal
CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.