Information Systems Security Administrator (ISSA)

Position OverviewThe Information Systems Security Administrator (ISSA) is responsible for supporting the security, compliance, and operational integrity of organizational information systems. This role bridges IT operations and cybersecurity, ensuring systems are configured, monitored, and maintained in accordance with regulatory frameworks such as CMMC, NIST 800-171, and organizational security policies. This role is critical to maintaining the organization's cybersecurity posture and regulatory compliance, ensuring protection of Controlled Unclassified Information (CUI) and supporting mission-critical operations.The ISSA will report to the Digital Technology Manager. The position requires a full-time work week spent in the office or hybrid with 3 days onsite. Normal hours are Monday through Thursday 7:00am-4:30pm and Friday 7:00am – 12:00pm. (Must be flexible to work additional hours as needed based on project requirements and deadlines.)Key ResponsibilitiesSupport implementation and maintenance of cybersecurity controls aligned with CMMC, NIST 800-171, and other applicable frameworksMonitor systems and environments for security events, vulnerabilities, and compliance gapsAssist in maintaining system security plans (SSP), policies, procedures, and supporting documentationAdminister user access controls, account provisioning/deprovisioning, and least privilege enforcementSupport endpoint and mobile device management (e.g., Microsoft Intune, MAM/MDM policies)Assist with incident response activities, including investigation, containment, and reportingConduct routine system audits, vulnerability scans, and remediation trackingEnsure secure configuration, patching, and hardening of systems and applicationsSupport implementation and monitoring of MFA, encryption, and data protection controlsCollaborate with IT and business units to ensure secure system integrations and operationsAssist with third-party/vendor security reviews and compliance requirementsSupport internal and external audits, assessments, and C3PAO readiness effortsSkills and Qualifications RequiredBachelor's degree in Information Technology, Cybersecurity, or related field (or equivalent experience)3+ years of experience in system administration, cybersecurity, or compliance-focused IT rolesWorking knowledge of cybersecurity frameworks (CMMC, NIST 800-171, NIST 800-53)Experience with Microsoft 365 (GCC preferred), Azure AD, and endpoint management tools (Intune)Familiarity with vulnerability management, patching processes, and system hardeningUnderstanding of access control, authentication (MFA), and identity managementStrong attention to detail and compliance mindsetAbility to balance security requirements with operational needsEffective communication across technical and non-technical teamsProactive problem-solving and continuous improvement approach documentation and organizational skillsU.S. Citizenship is required. Candidates must be eligible to obtain and maintain a U.S. Government security clearance, if required for the position.Preferred QualificationsExperience supporting CMMC Level 2 environments or similar regulated environmentsFamiliarity with tools such as Microsoft Defender, SIEM platforms, and compliance tools (e.g., IntelliGRC)Relevant certifications (Security+, CySA+, CISSP, or similar)Experience with audit preparation and evidence collectionPhysical RequirementsProlonged periods sitting at a desk and working on a computerMust be able to lift up to 30 pounds at times.Must be able to access and navigate each department at the organization's facilities.The MSI Operating CodeEvery employee at MSI is expected to operate in accordance with the MSI Operating Code. These seven principles define how we think, decide, and execute. They are not aspirational. They are the working standard by which all employees are evaluated.The Seven PrinciplesOwn It. If a problem touches your function, it is yours until it is solved or explicitly transferred. Do not wait. Do not delegate upward. Do not hide behind process. Ownership means driving to resolution, not monitoring status.Kill the Wrong Fight. Before optimizing a solution, question whether the problem is yours to solve. If an opportunity requires MSI to become something we are not, kill it fast. The discipline to say no is what protects our ability to say yes to the right things.Move Before You're Told. Speed is MSI's compounding advantage. We move when directionally correct and adjust in motion. Leaders who wait for permission are not leading. We would rather correct a fast decision than wait for a perfect one.Solve Before You Contract. Prove the integration works before formalizing the relationship. Capability first, paperwork follows. Working capability is the strongest negotiating position and the most honest form of business development.Integrate First. MSI's moat is not any single technology. It is the ability to integrate modular systems faster and more effectively than anyone else. Every decision should reinforce our position as the integration hub.Say It Now. Silence is not alignment. If you disagree, say so, with data, with reasoning, and with an alternative path. Passive execution is institutional risk.Build Beyond Yourself. If your function depends on your presence to operate, you have not built anything. Develop your people. Document your processes. Create depth that survives your absence.Benefits401(k) with employer matchDental InsuranceDisability InsuranceHealth InsuranceVision InsurancePaid Parental and Maternity LeaveLife InsurancePaid Time Off – 120 hours per year to start (prorated in first year of employment)Continuing EducationAnnual Year End Paid Holiday ClosureClassificationPosition is full-time, Exempt MSI Defense Solutions is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, gender identity, genetic information, disability or protected veteran status. We are committed to providing a workplace free of any discrimination or harassment.