Parsons Corporation · 5 hours ago
Information Systems Security Engineer, Senior
Baltimore, MD
Full-time
Onsite
Senior Level, Lead/Staff
$145K/yr - $261K/yr
10+ years expParsons Corporation is a company that values people and fosters growth, and they are seeking a skilled cybersecurity professional to join their dynamic team supporting USCYBERCOM’s internal command IT systems. The role involves securing mission-critical systems, maintaining operational security posture, and leading the Assessment & Authorization process within the Department of Defense.
Building MaterialConstructionConsultingIndustrial EngineeringInformation TechnologyInfrastructureMilitarySecurity
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
In this role, you’ll be at the forefront of securing mission-critical systems, helping to fortify the cyber infrastructure that underpins joint operations across the Department of Defense
Maintain the operational security posture of DoD information systems, ensuring compliance with RMF and related DoD, CNSSI, and NIST directives
Lead all phases of the Assessment & Authorization (A&A) process in alignment with DoDI 8510.01 and DoDI 8500.01
Serve as the principal advisor to the Information System Owner (ISO) regarding cybersecurity best practices and regulatory obligations
Review and validate System Security Plans (SSPs), security controls, and supporting artifacts for completeness and accuracy
Recommend and implement technical and procedural safeguards, tailored to mission objectives and emerging threats
Conduct system assessments and continuous monitoring activities to maintain the CIA Triad—Confidentiality, Integrity, and Availability
Collaborate with ISSMs and DAOs to ensure risk-based decisions support operational readiness and compliance
Qualification
Required
Active TS/SCI w/ Poly required for consideration
Bachelor's degree and 12+ years of experience or Master's degree and 10+ years of experience; degree should be in Computer Science, Information Assurance, Information Security System Engineering, Cybersecurity, Engineering, or a related technical/business discipline. Experience to include 6+ of direct experience in cybersecurity or information assurance within DoD or Federal IT environments. Alternatively; Master's Degree in related discipline and 10+ years of experience
Certifications: active DoD 8570 IAM Level III certification, such as: CISSP or CISM
Proven understanding and application of RMF processes, including security control assessment, continuous monitoring, and system authorization
Used strategies and technologies to safeguard sensitive information from unauthorized access, corruption, loss, or misuse. It ensures the confidentiality, integrity, and availability of data throughout its lifecycle, whether it's stored, transmitted, or processed
Lead the design and implementation of advanced security architectures and technologies to protect sensitive data from unauthorized access, compromise, loss, or misuse
Championed enterprise-wide initiatives to uphold confidentiality, integrity, and availability (CIA) of information across its entire lifecycle - whether at rest, in transit, or during processing
Ensured alignment with regulatory frameworks and industry best practices through continuous risk assessment, threat modeling, and security control optimization
Proficient in applying configuration management tools and practices to maintain system integrity, enforce secure baselines, and ensure alignment with federal cybersecurity requirements across all phases of the system lifecycle
Proven capability to identify, investigate, and escalate cybersecurity incidents, ensuring timely containment, resolution, and compliance with reporting protocols
Skilled in applying structured response methodologies to minimize impact and strengthen organizational resilience
Demonstrated expertise in leading the identification, analysis, and escalation of complex cybersecurity incidents, ensuring rapid containment, effective remediation, and adherence to regulatory reporting requirements to reduce operational impact, coordinate cross-functional response efforts, and enhance organizational cyber resilience through post-incident forensics and continuous improvement initiative's
Skilled in implementing and managing security technologies, including monitoring tools, endpoint protection, IAM systems, vulnerability scanners, and threat intelligence platforms to enhance cybersecurity resilience
Extensive knowledge and practical application of NIST SP 800-37, 800-53, and CNSSI 1253 for system authorization
Strong written and verbal communication skills for interfacing with stakeholders at all levels
Demonstrated leadership and decision-making capabilities in high-visibility, security-critical environments
Proficiency with tools such as eMASS, Xacta, ACAS, SCAP, and Nessus
Benefits
Medical
Dental
Vision
Paid time off
401(k)
Life insurance
Flexible work schedules
Holidays
Company
Parsons Corporation
Parsons is an engineering, construction, technical and management services firm for national security and global infrastructure markets.
10001+ employees
Funding
Current Stage
Public CompanyTotal Funding
$700M2024-02-21Post Ipo Debt· $700M
2019-05-07IPO
Leadership Team
Carey Smith
Chair, President and CEO
Matthew Ofilos
Chief Financial Officer
Recent News
2026-01-22
2026-01-19
World Construction Network
2026-01-16
Company data provided by crunchbase