**ManTech** seeks an experienced and passionate, career and customer-oriented **System Engineer** to join our team located in the San Antonio, TX area. **Responsibilities include, but are not limited to:** + Demonstrated experience creating and managing virtual environments + Systems administration of hardware and software in support of maintenance, developing and testing of information technology systems + Leverage IT automation to perform daily tasked associated with data repositories on air-gapped networks. + Experience configuring and maintaining storage and file systems + Experience in developing and delivering briefings, technical presentations, and program documentation to senior program management **Minimum Qualifications:** + 10 years of systems engineering experience + Experience with Linux **Preferred Qualifications:** + Experience with DevOps tools such as nxLog, Graphana, Docker, Kubernetes, GIT, SaltStack (SALT) + Use SALT to deploy config files to end nodes and do various interrogations (Ping, DNS) + Experience with installing PKI certs + Experience with NiFi to forward collected log events to repository for analysis. + Ability to launch and configure VMWare instances + Create/Maintain bash scripts to dump and load databases + Use SALT to deploy config files to end node and do various interrogations (ping, DNS) **Clearance Requirement:** + Must have a current/active TS/SCI with Poly **Physical Requirements:** + Must be able to remain in a stationary position at least 50% of the time. + Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. + Constantly operate a computer and other office productivity machinery, such as, the copy machine/fax machine/computer/printer. ManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.