Senior System Administrator

Senior System Administrator

OASYS, INC., a Leading-Edge Government contractor, is seeking applicants for a Senior System Administrator position to support our Nasa customer in Huntsville, Alabama.

Job Responsibilities include: Designs, implements and operations/maintains the sites or enterprise's server, storage, database, network, client, or communication infrastructure.

Work is performed without appreciable direction. Exercised considerable latitude in determining objectives and approaches to assignment. Effects of decisions are long-lasting and heavily influence the future course of the organization. Errors in judgment or failure to achieve results would result in the expenditure of large amounts of company resources.

Essential Duties and Responsibilities may include the following. Other duties may be assigned.

• Understanding of network administration tools, techniques, and methods.
• Fundamental knowledge in networking principles (TCP/IP, DNS)
• Active Directory Domain Administrator - Manage and maintain: Sites and Services, DNS, DHCP, Group Policy Objects, Computer/User Objects, LDAP, Authentication protocols, AD Permission delegation using the least privilege methodology, Dynamic/Static AD groups, as well as other Domain services in accordance with MS best practices and compliance requirements.
• Experience with Current versions of Windows (e.g. Server 2019, 2022, 2025, Windows 10, 11 Enterprise)
• Configure and execute vulnerability scanning tools, SCAP/STIG scans (SCC Tool, OpenSCAP, etc.), and perform remediating steps based on findings on Windows and Linux operating systems.
• Apply OS patches and upgrades on a regular basis and upgrade administrative tools and utilities. Configure /add new services as necessary.
• Experience with SIEM tool, anti-virus software, etc. other cybersecurity software
• Develop and maintain installation and configuration procedures.
• Windows domain architecture experience
• Experience with Microsoft Server products
• Experience with Microsoft Active Directory
• Excellent interpersonal and teamwork skills, analytical and problem-solving skills, written and verbal communication abilities.
• Applicant must have some experience with the application of DISA Security Technical Implementation Guides (STIGs) on operating systems Windows and Linux operating systems.

Supervisory Responsibilities

• This job has no supervisory responsibilities but provides technical leadership and guidance to other Systems Administrators.
• This includes, but is not limited to: training employees, planning, assigning, directing work and resolving technically related work problems. It also includes interaction with other technical teams and assisting in the management of vendor relationships.

Competencies

To perform the job successfully, an individual should demonstrate the following competencies:

• Analytical - Collects and researches data; uses intuition and experience to complement data.
• Problem Solving - Identifies and resolves problems in a timely manner; gathers and analyzes information skillfully; works well in group problem solving situations.
• Project Management - Communicates changes and progress.
• Technical Skills - Pursues training and development opportunities; strives to continuously build knowledge and skills.
• Oral Communication - Speaks clearly and persuasively in positive or negative situations; listens and gets clarification; responds well to questions; participates in meetings.
• Written Communication - Writes clearly and informatively; Edits work for spelling and grammar; Varies writing style to meet needs; Presents numerical data effectively; Able to read and interpret written information.
• Teamwork - Gives and welcomes feedback; supports everyone's efforts to succeed. Builds team relations.
• Leadership/Managing People - Exhibits confidence in self and others; Inspires and motivates others to perform well; Effectively influences actions and opinions of others; Accepts feedback from others; Gives appropriate recognition to others. Comes to the forefront in case of crisis, and is able to think and act in creative ways in difficult situations. Holds team accountable. Ensures work responsibilities are covered when absent. Takes responsibility for subordinates' activities; Makes him/herself available to staff; Provides regular performance feedback; Develops subordinates' skills and encourages growth; Fosters quality focus in others; Improves processes, products and services. Continually works to improve supervisory skills.
• Business Acumen - Understands business implications of decisions.
• Ethics - Treats people with respect; works with integrity and ethically; upholds organizational values.
• Organizational Support - Follows policies and procedures; supports organization's goals and values.
• Judgment - Displays willingness to make decisions; Exhibits sound and accurate judgment; Supports and explains reasoning for decisions; Includes appropriate people in decision-making process; Makes timely decisions.
• Motivation - Demonstrates persistence and overcomes obstacles.
• Planning/Organizing - Prioritizes and plans work activities; uses time efficiently.
• Professionalism - Reacts well under pressure; treats others with respect and consideration regardless of their status or position; accepts responsibility for own actions.
• Quality - Demonstrates accuracy and thoroughness; looks for ways to improve and promote quality; applies feedback to improve performance; monitors own work to ensure quality.
• Quantity - Completes work in a timely manner; strives to increase productivity.
• Safety and Security - Observes safety and security procedures including using Personal Protective Equipment (PPE) as required and wearing company issued badge when on company property; Reports potentially unsafe conditions; Uses equipment and material properly.
• Adaptability - Adapts to changes in the work environment; able to deal with frequent change, delays, or unexpected events.
• Initiative - Seeks increased responsibilities; asks for and offers help when needed.

Innovation - Generates suggestions for improving work

Qualifications:

To perform this job successfully, an individual must be able to perform each essential duty satisfactorily. The requirements listed below are representative of the knowledge, skill, and/or ability required. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

Education and/or Experience

Bachelor's degree (B.S.) from four-year college or university in a related field and a minimum of 10 years of directly related experience and/or training; or equivalent combination of education and experience.

Certifications

• Required certification: DoD 8571.01M, DoD 8140.01M approved Information Assurance-Technical (IAT) Level II (or an IAT Level III) certification such as CCNA Security, CySA , GICSP, GSEC, Security CE, CND, SSCP, etc.

Computer Skills

• Advanced knowledge and in-depth experience with the following:

• Server/Storage:
  • Windows Server O/S, MS Clustering, SharePoint/MS Project Server, etc...
  • Server Infrastructure Technologies
  • AntiVirus software and strategies
  • Server troubleshooting and repair
  • Storage concepts and technologies
  • Server backup strategies, methodologies, and solutions
• Network
  • Thorough understanding of Local and Wide Area Networking
  • Network Management Systems
  • Routing Protocols
  • Switching Technologies
  • TCP/IP protocol suite
  • Application protocols
  • Network Security
• Client
  • Microsoft Active Directory
  • Network Operating System Supporting Technologies
  • Desktop Operating Systems
  • Familiarity with desktop applications
  • End-Point Anti-Virus software and strategies

• Microsoft Office Suite (i.e., Outlook, Word, Access, Excel, PowerPoint, Project, Visio, etc.)
• Support ticketing systems, change control methodologies and their importance to ITIL best practices
• IT security concepts and best practices
• Extensive knowledge of industry trends and best practices in the area of IT infrastructure

Other Essential Duties

• Follows all import/export requirements, consulting with facility import/export personnel as required.

Other Skills and Abilities

• Project management skills

Other Qualifications

• Must have an active secret clearance.

About OASYS, INC.: Located in Huntsville, Alabama, OASYS, INC. is a technology services and products company dedicated to delivering the right solutions to our government and commercial clients. Our innovative solutions combined with today's technology and our subject matter expertise help to provide full lifecycle support for our client's needs.

Benefits: OASYS, INC. offers a robust benefit plan to include: BC/BS of Alabama Heath & Dental, VSP Vision, Employee Stock Ownership Plan (ESOP), 401-K with Matching, Flexible Spending Account, Tuition Reimbursement, Holidays, Vacation, Short-term/Long-term Disability.

www.oasys-incorporated.com