Senior Information Systems Security Officer (ISSO)

At MetaPhase, we believe Quirky is Cool and being authentic is the only way to be!  We take the work we do very seriously and do a lot of important mission-focused work for our clients. We are individuals with different passions and strengths who take as much joy in the work we do as from those we work with. Today, we have a team that is invested in creating new solutions that lean forward, challenge the status quo, but also reflect our intimate knowledge of our customers’ business. Over the years we have fostered a culture in which we are united by shared values—passion, solidarity, generosity, curiosity, and boldness—and these come alive in the work we do and how we do it.      Together, we know our people are our difference—for our clients and our colleagues.   Are you ready to:

• Work alongside a dedicated and diverse set of people to offer honest advice and practical guidance to our clients?
• Learn and grow by taking advantage of every opportunity available to you?
• Be the difference and make it happen?

MetaPhase is seeking an experienced Senior Information Systems Security Officers (ISSO) to support a mission-critical federal program. This cybersecurity leader will guide the authorization and accreditation (A&A) process and oversee the implementation of robust security practices across Windows, Linux, and cross-domain environments. Ideal candidates will have deep expertise in User Activity Monitoring (UAM), federal compliance standards, and Sensitive Compartmented Information (SCI) network security policies. What You Will Be Doing: 

•  Provide subject matter expertise on Authorization & Accreditation (A&A) processes across classified and sensitive network environments
•  Support security design and engineering for cross-domain solutions, UAM, and both Windows and Linux platforms
•  Manage and maintain System Security Plans (SSPs), Security Assessment Reports, and related documentation in compliance with CNSS and NIST frameworks
•  Lead the reconciliation of Plans of Action and Milestones (POA&M) and maintain Approvals to Operate (ATO) for enterprise systems
•  Interpret and apply national security policies, including those governing cross-domain solutions in SCI environments
•  Oversee assessment and authorization of UAM and Enterprise Audit applications
•  Develop, monitor, and report security metrics related to system compliance, vulnerabilities, and remediation status
•  Collaborate with system administrators and engineers to ensure continuous monitoring and compliance across all systems

Required Qualifications: 

•  Bachelor’s degree in Information Technology, Cybersecurity, Engineering, or a related technical field, OR equivalent work experience
•  At least seven (7) years of hands-on experience with Assessment & Authorization (A&A) of federal systems
•  Proven experience managing UAM and enterprise audit tools within federal environments
•  Demonstrated understanding of CNSS policies and specific SCI/cross-domain solution requirements
•  Strong background in drafting and maintaining IT security documentation including SSPs and POA&Ms
•  Proficient in cybersecurity operations on both Linux and Windows platforms
•  Experienced in capturing, building, and maintaining meaningful cybersecurity metrics and dashboards
•  U.S. Citizenship required; Must hold an active Top Secret clearance with ability to obtain access to Sensitive Compartmented Information (SCI)

Work Setup & Clearance: 

•  Washington, DC - Onsite
•  Clearance: Must hold an active Top Secret clearance with ability to obtain access to Sensitive Compartmented Information (SCI)

About MetaPhase

MetaPhase is different with a purpose - demonstrating a new approach to the industry that puts employees and culture first! We continue to be recognized by industry as one of the fastest growing and most impactful consultancies in the nation, and are aggressively hiring to grow our team: Fastest Growing

• Inc 5000 Fastest Growing Company - 2020, 2021, 2022, 2023 
• Washington Technology Fast 50 Award - 2020, 2021
• Financial Times America's Fastest Growing Companies – 2021, 2022, 2023

 Best Places to Work

• Washington Post Top Workplaces – 2022, 2023
• Washington's Business Journal’s Best Places to Work – 2021, 2022
• Virginia Businesses Best Place to Work – 2021, 2022, 2023
• Northern Virginia Technology Council Top 100 Technology Firms – 2020

 Company & Individual Awards

• 2021 Washington Business Journal Small Business – CEO of the Year
• 2021 FedScoop 50 – Industry Leadership Award Nominee
• 2021, 2023 Moxie Award Finalist
• 2022 SECAF Government Contractor Awards ($27.5 to $50 Million in Revenue)
• 2022 FedScoop Best Bosses Finalist – Brett McLaren 
• 2022 Washington Business Journal 40 under 40 –   Brett McLaren
• 2022 FedHealth IT and G2XChange Women in in Leadership Awards – Beth Angerman
• 2022 George Mason University Prominent Patriots in Business – Fred Costa
• 2022 TiE DC Capital ELITE Award
• 2023 Elev8 Engage GovCon Finalist
• 2023 Maryland Tech Council ICON Awards Finalist for Government Contracting Company of the Year: Over $50 Million
• 2023 Greater Washington Government Contractor of the Year ($25 to $75 million) Awards Finalist

 MetaPhase is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability or veteran status, or any other factors protected by federal, state, or local law.