System Administration Technical Lead Manager

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech International Corporation, you’ll help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking an experienced Senior System Administrator / Technical Lead Manager to manage and supervise with a team of administrators who provide the day to day support and maintenance for Microsoft Windows, Apple macOS and Linux/Unix environment.Responsibilities include, but are not limited to:

Supervising the team to provide preventive maintenance on all hardware and peripherals and ensure all systems are backed up and maintained.

Identifying and escalating any network communications issues related to the environment.

Managing a team that will comply with appropriate authorities (STIG, NASA, DISA, etc) and coordinate with customer and ManTech Executive management on recommended Hardware and Software configuration changes, new installations, and system repairs and authorized service interruptions.

Coordinating with Configuration Management to document configuration of all systems, to include hardware, operating system, applications and security configurations.

Working with the team to create and maintain associated documents including forms, policies, processes, work notes and provide specialized written and electronic reports upon request.

Auditing and securing of systems in accordance with applicable standards (ie DISA Security Technical Implementation Guides (STIGS) and Common Vulnerability Exposure (CVE's).

Managing the team administratively and perform resource management, reporting up to ManTech Executive Management.

Basic Qualifications:

Experience configuring and maintaining DNS (Unix and/or Windows)

Experience configuring and maintaining Active Directory domains and/or NIS domains

Scripting ability to support system administration (Perl, Python, WinBatch, VBScript, PowerShell, etc.)

Strong troubleshooting and problem solving skills

Experience managing anti-virus updates on Windows and Linux/Unix

Technical documentation creation and management

Experience developing and maintaining Windows baselines, including security settings and Windows hardening

Ability to identify application related configuration details for optimized performance

Intuitive thinker that can contrive and implement new solutions to technical problems

Knowledge and experience implementing Technical Requirements on multiple operating systems for RMF and other protection level caveats

Familiarity with mass storage technologies such as NAS, SAN, and HSM

Previous management experience of technical teams under classified environments

Security+ certification

Preferred Qualifications:

Windows certification (MCSE, etc.)

Linux certification

CISSP/CISM certification or other IAM Level II/III security certification

Security Clearance Requirements:

Active TS/SCI with a Polygraph

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 because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech's Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer - minorities, females, disabled and protected veterans are urged to apply. ManTech's utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information.