Senior Information Systems Security Officer

Job Brief Evaluating security solutions to ensure compliance with requirements for processing classified information. Job Description RealmOne was built on the principle that people matter first and foremost. We believe in providing a strong work/life balance by investing in our employees and encouraging professional and personal growth. We do this by offering exceptional benefits, flexible schedules, and the tools necessary to achieve success through paid training, mentoring, and the opportunity to work alongside top‑notch industry professionals. We are searching for talented individuals who provide intelligence, engineering, and mission management expertise for the Government. This program will maximize the effectiveness and efficiency of our country's most important missions both at home and abroad. If you are ready to support a high‑performing team that truly makes a difference, then come join us! The Information System Security Officer will provide vital support for the implementation and maintenance of our information assurance protocols. You will collaborate on the development, coordination, and enforcement of information systems security policies, standards, and methodologies. Senior Information Systems Security Officer Capabilities Enhancing the system security posture by supporting the program, organization, system, or enclave's information assurance initiatives and enforcing security policies, standards, and methodologies. Overseeing security operations for information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting vulnerability and risk analysis/assessments for system authorization. Managing configuration and system integrity by administering configuration management for security software, hardware, and firmware, ensuring compliance with security controls, and assessing the impact of system changes. Developing and maintaining security documentation and System Security Plans lifecycle management activities to ensure compliance with system security requirements. Providing technical expertise in security policies and operations, supporting the implementation and maintenance of security measures and countermeasures, and collaborating with stakeholders to maintain compliance and strengthen the system security posture. Driving continuous improvement by assessing existing security processes, identifying vulnerabilities, and implementing proactive solutions to enhance system resilience. Maintains operational security posture for an information system or program to ensure information systems security policies, standards, and procedures are established and followed. Assists with the management of security aspects of the information system and performs day‑to‑day security operations of the system. Evaluates security solutions to ensure they meet security requirements for processing classified information. Performs vulnerability/risk assessment analysis to support certification and accreditation. Provides configuration management (CM) for information system security software, hardware, and firmware. Manages changes to system and assesses the security impact of those changes. Prepares and reviews documentation to include System Security Plans (SSPs), Risk Assessment Reports, Certification and Accreditation (C&A) packages, and System Requirements Traceability Matrices (SRTMs). Assists security authorization activities in compliance with Information System Certification and Accreditation Process (NISCAP) and DoD Risk Management Framework (RMF). Qualifications Bachelor of Science degree in Computer Science, Information Assurance, Information Security, or related discipline and 12 or more years of related experience, in lieu of bachelor's degree or a Technical Bachelor's Degree. Direct Experience: 10+ years of in-depth experience as ISSO or combination of ISSO and other security related role supporting IC or DoD programs and contracts of similar scope, type, and complexity. Proficient with customer security tools, corporate repositories, playbooks and guidelines. Knowledgeable with applicable frameworks, regulations, standards, policies and procedures. Operational understanding of server and IA technologies, internetworking protocols and services. Certifications Required DoD 8570 compliance with IAM Level II or IAT Level III (i.e., CASP, CISSP, or Associate). Position requires active Security Clearance with appropriate Polygraph. Pay Range: 155,000-210,000 The RealmOne pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Our approach to crafting offers considers various factors to establish an equitable and competitive compensation package. These considerations include, but are not limited to, the extent and intricacy of the role's responsibilities, the candidate's educational background, their work experience, and the specific competencies crucial for success in the role. RealmOne Benefits Healthcare Coverage + Insurance: Medical: Three (3) rich healthcare options through CareFirst with 100% or majority company‑paid premiums. Tax‑advantaged health savings account available with generous employer contribution. Dental + Vision: 100% employer‑paid for employees and family with buy‑up option available. Retirement + Savings: 401K - 10% TOTAL CONTRIBUTION - 5% safe harbor - 5% annual profit share. Immediate vested, no match required! Paid Time Off + More: 4 weeks starting PTO - 11 federal holidays + 2 floating holidays - Paid hours for company‑required training. Career Growth + Development: Access to FREE 24/7 learning via Udemy - Opportunities to participate in tech councils, industry initiatives, etc. - $7,500 annual Educational & Professional Development Assistance. MORE BENEFITS...FOR EVERY LIFESTYLE! - Paid parental leave - Adoption assistance - Annual swag drops - Flexible work schedules - Generous referral bonus program - Employee appreciation + family‑friendly corporate events ...and much more. ABOUT US RealmOne is a mid‑sized science and technology company dedicated to solving our customers' toughest mission challenges. Headquartered in Columbia, MD, RealmOne supplies advanced cybersecurity, data science and software engineering services and products to customers in the Government and commercial sectors. RealmOne delivers encompassing mission assurance and critical systems support to government customers across various U.S. locations to include Colorado, Georgia, Hawaii, Texas, Utah, and Virginia. RealmOne has earned numerous awards, including being named a Top Workplace by the Baltimore Sun. With more than 30+ active contracts, 12 of which are prime, RealmOne stands as a premier innovator supporting the Government and Department of Defense, with team members located nationwide. Disclaimer: Benefits packages offered by RealmOne are subject to variation and may differ based on work location, clearance level, and other eligibility criteria. Specific eligibility, availability, and scope of benefits are not guaranteed, may differ from those generally described, and remain subject to modification at the sole discretion of the company. #J-18808-Ljbffr