Enterprise Senior Systems Administrator

Req ID: RQ189687Type of Requisition: RegularClearance Level Must Be Able to Obtain: Top SecretPublic Trust/Other Required: NoneJob Family: Systems AdministrationSkills:Critical Systems,Enterprise Servers,Operating Systems (OS)Experience:8 + years of related experienceUS Citizenship Required:YesJob Description:Enterprise Senior Systems AdministratorGDIT seeks a highly motivated and experienced Enterprise Senior Systems Administrator to support the Defense Threat Reduction Agency (DTRA) Defense Stockpile Management System (DSMS) mission at Fort Belvoir, VA.Essential Experience, Knowledge, Duties and Responsibilities:

Evaluate existing hardware/software systems to identify deficiencies and recommend performance improvements.

Deploy, monitor, and verify functionality of enterprise infrastructure hardware and software.

Diagnose and resolve infrastructure hardware, network, domain, and client service issues.

Coordinate enterprise infrastructure backup/recovery and Continuity of Operations (COOP) procedures and operations.

Review, test, deploy, maintain, and upgrade Windows based operating system software, databases, and services.

Plan and execute system security hardening activities in accordance with current requirements.

Basic experience of administrating Windows servers in a virtualized environment.

Basic knowledge of networking technologies and protocols.

Prior experience and knowledge of Public Key Infrastructure (PKI) methodologies and processes.

Fundamental knowledge of RSA SecurID multifactor authentication and processes.

Research, plan, and brief Analysis of Alternatives (AoA) on enterprise infrastructure operating systems/applications with recommendation(s) of appropriate Course of Action (COA).

Review and provide updates to the Approved Software List (ASL).

Routinely review and remediate Assured Compliance Assessment Solution (ACAS) reports of vulnerabilities on the enterprise infrastructure hardware/software.

Develop, maintain, implement, and report Plan of Action and Milestones (POA&M) on security deficiencies.

Author applicable Documented Risk Acceptance (DRA) documentation and brief the program Cybersecurity Team and/or Information System Security Manager (ISSM).

Advise Cybersecurity Team on all technical matters pertaining to enterprise infrastructure and services.

Audit, remediate or mitigate, and report Security Technical Implementation Guide (STIG) item status.

Plan, track, document, and communicate assigned project status.

Ability to work both independently and within a team.

Skillful time management and organizational skills to meet deadlines and balance numerous priorities.

Excellent written and oral communication skills.

Required Knowledge, Skills, and Abilities:

Experience with DISA STIGs and their relation to Windows Operating Systems and application security.

Prior experience with PowerShell scripting and deployment.

Prior experience building, deploying, and administrating Windows Server 2016-2022.

Ability to install, configure, and upgrade hosted applications and services on Windows Server 2016-2022.

Experience working with Trellix Security Suite.

Minimum Education and Requirements:

Education: Bachelor’s Degree in a related field or 8+ years of experience.

Required: DoD 8570/8140 IAT Level II (e.g., Security+ CE, CCNA-Security, or SSCP).

Required: Minimum of a DoD Final Secret security clearance.

GDIT IS YOUR PLACE:● 401K with company match● Comprehensive health and wellness packages● Internal mobility team dedicated to helping you own your career● Professional growth opportunities including paid education and certifications● Cutting-edge technology you can learn from● Rest and recharge with paid vacation and holidaysThe likely salary range for this position is $123,250 - $166,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.We connect people with the most impactful client missions, creating an unparalleled work experience that allows them to see their impact every day. We create opportunities for our people to lead and learn simultaneously. From securing our nation’s most sensitive systems, to enabling digital transformation and cloud adoption, our people are the ones who make change real.GDIT is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class.