> Markdown version of [/jobs/ext/4233178-senior-it-systems-solutions-architect-and-contract-manager](https://www.wearedevelopers.com/jobs/ext/4233178-senior-it-systems-solutions-architect-and-contract-manager). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior IT Systems Solutions Architect and Contract Manager - **Company:** Crest Security Assurance LLC - **Location:** Aberdeen Proving Ground, MD, United States - **Experience:** Expert - **Salary:** $120,000.0 - $125,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Configuration Management, Cyber Security, Linux, Network Planning and Design, Software Vulnerability Management, Information Technology, Plan of Action and Milestones - **Published:** October 20, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=ef7515b800d9e5e9 ## About the Role * Active Secret security clearance and ability to maintain the required clearance and SIPRNet access throughout performance. * Active CISSP certification; ability to meet the contract's applicable DoD cybersecurity workforce training and certification requirements by award. * At least 10 years of experience managing RMF lifecycle reporting and at least 5 years of progressive experience supporting network expansion and cloud/enclave requirements. * Demonstrated experience with DoD RMF policies and practices, security audits, risk assessments, DISA STIGs, NIST special publications, and FISMA compliance. * Previous Server Administrator or Network Administrator experience. * Experience managing Windows, Linux, and Apple network environments and both classified and unclassified networks, including Secret environments. * Strong technical writing, communication, and coordination skills. Availability during the required management coverage window of 8:00 a.m.-4:30 p.m., Monday-Friday, excluding Federal holidays and Government closures; flexibility for mission-driven schedule changes. ## Description Crest is seeking a senior cybersecurity professional to serve as the technical lead and Contract Manager for cybersecurity engineering and Risk Management Framework (RMF) support. This key position will lead RMF lifecycle activities, maintain system authorizations, and manage daily service delivery across classified and unclassified networks., * Lead RMF planning, system categorization, control selection, implementation, assessment, authorization support, and continuous monitoring to establish and maintain Authorities to Operate (ATOs). * Review proposed hardware and software changes for security, performance, and interoperability impacts; support configuration control boards, technical reviews, and baseline architecture requirements and design. * Guide network expansion, cloud and enclave requirements, emerging technology integration, and migration of existing capabilities. * Coordinate security assessments, audits, DISA STIG compliance, POA&M maintenance, and information assurance vulnerability management activities. * Manage daily contract performance, staff coordination, quality control, required reporting, and communication with Government representatives. Serve as the contractor's authorized lead for daily contract matters.