**ACAS Administrator II** **Who is Epsilon:** Epsilon is an IT Services company that was founded in 2009 and has become an established leader in providing Information Technology services to both Federal Government and Commercial businesses across the United States. Epsilon is known for its solution-focused and innovative approach, aligning technology systems, tools, and processes with the missions and objectives of its customers. Epsilon’s headquarters are in Weaverville, NC with other corporate offices in Greenville, SC, Crystal City, VA, and Denver, CO. We have employees in 30+ States across the U.S. **Why work for Epsilon:** In joining Epsilon’s team, you will have the opportunity to contribute to Epsilon’s business and customer initiatives, as well as influence our brand culture through people interaction and technology advancements. Epsilon invests in our employees by promoting from within and enabling employees to elevate their knowledge and skill set in their profession by allocating $3,000 annually in Professional Development funds. We also offer competitive pay, comprehensive benefits through one of the largest national carriers, Paid Time Off (PTO) that increases with tenure and has a generous rollover, 11 company paid Holidays, and 401(k) with immediate contribution. **Where you’ll work:** You will be working onsite at the Marine Corp University’s Quantico, VA location. **Our Customer’s Mission** : The Marine Corps University (MCU) is a military education university of the United States Marine Corps. Hosted in a unified data center, MCU’s Information Technology services are delivered through a wired .edu network and domain, as well as a wireless “Bring Your Own Device” network. Epsilon provides Information Technology services for the MCU including network and systems, data center, service desk, cybersecurity, and audio visual/video teleconferencing. **An average day:** As ACAS Administrator II, you will be responsible for supporting and maintaining the security posture of a federal environment using ACAS and related security tools. This role focuses on conducting vulnerability assessments, assisting with compliance efforts, and collaborating with broader IT and security teams to address potential threats and ensure system integrity. In this position you will: + Conduct routine scans using ACAS (Tenable Security Center, Nessus) to identify vulnerabilities, misconfigurations, and compliance gaps. + Coordinate with various teams to address findings from vulnerability scans. Track remediation efforts to ensure timely resolution and compliance with relevant federal standards (e.g., DISA STIGs, NIST, RMF). + Assist in applying and verifying security patches and system hardening measures in accordance with DoD and federal guidelines. + Ensure the availability, reliability, and accuracy of ACAS components. Troubleshoot and resolve issues related to the Security Center, Nessus scanners, and related plugins. + Develop and update technical documentation, including configurations, procedures, and standard operating procedures, to maintain a clear security framework. + Support system migrations and upgrades as needed, helping to minimize downtime and maintain security throughout change processes. + Participate in incident response actions by leveraging ACAS scans and forensic tools. Contribute to containment, eradication, and recovery efforts under the guidance of senior team members. + Work with cross-functional teams to update and improve security procedures, ensuring alignment with organizational and regulatory requirements. + Assist with internal and external audits of information systems, providing evidence of security controls and remediating findings. + Keep up to date with emerging threats, vulnerabilities, and best practices to maintain a proactive security posture. **Basic Qualifications:** + As a requirement of this position, all candidates must be a U.S. Citizen. In accordance with 8 U.S.C. 1324b(a)(2)(C) , Epsilon will not consider candidates for this position who do not meet the aforementioned conditions. + Must be certified with an IAT Level III Certification such as: CASP, CISSP, CCNP Security, CISA, GCED, GCIH, CCSP. (CASP Preferred) + Hands-on experience with ACAS Tenable Security Center and Nessus for vulnerability assessment and compliance reporting. + Basic understanding of system patching, hardening, and backup/recovery solutions (SAN, NAS) in a mid-sized or enterprise environment. + Familiarity with incident response protocols, including evidence gathering, forensic analysis, and remediation coordination. + Proven ability to work effectively within cross-functional teams, communicating findings, and coordinating security measures. + Strong written and verbal communication skills, including experience maintaining documentation of configurations, processes, and procedures. + Must be able to quickly master new technology / software for the purposes of evaluating or subverting the security functionality of the technology / software. **Preferred Qualifications:** + Bachelor’s Degree in related field of study. + Working knowledge of DISA STIGs, NIST 800 series, and RMF processes. + Experience with Microsoft Defender or similar solutions. + Microsoft Certification **Other:** + Must hold active DOD Interim Secret or Secret Clearance. **Physical Demands and Working Conditions:** Listed below are the physical or mental requirements necessary for the job's performance. Reasonable accommodation may be made to enable individuals with disabilities to perform essential job functions: + Prolonged periods of computer desk work. + Dexterity of hands and fingers to operate a computer keyboard and other computer components. + Speaking and hearing are sufficient to converse and understand conversations, both in-person, telephone, and virtual meetings. + The cognitive skills needed to complete tasks, including abilities such as learning, remembering, focusing, categorizing, and integrating information for decision-making, problem-solving, and comprehending. + Ability to learn new tasks, remember processes, maintain focus, complete tasks independently, make timely decisions in the context of a workflow, and the ability to communicate with managers and co-workers. + Mental aptitude to respond appropriately in high-pressure situations or deadline-driven environments. + Maintain a professional emotional response when working with others. **Connect directly with your dedicated recruiter, Jessica, on Epsilon’s careers page.** **www.epsilon-inc.com/careers** Epsilon is committed to creating a diverse environment and is proud to be an equal opportunity employer. All qualified applications will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. EEO/AA: Disabled/Vets. Please click here (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) to review your rights under EEO policy. If you are an individual with a disability and need special assistance or reasonable accommodation in applying for employment with Epsilon, Inc., please contact our Recruiting department by phone 828-398-5414 or by email careers@epsilon-inc.com . \#LI-DNP