Senior Systems Administrator

Apex Systems; Herndon (VA); On-site; USD 100,000 - 140,000; Full time

Job summary

A leading IT services company is seeking a Senior Systems Administrator to join the Specialized Infrastructure Operations team in Herndon, VA. The role involves leading system integration efforts, providing advanced technical support, and managing user access with compliance to security standards. Successful candidates should possess a Bachelor's degree with extensive experience and be able to mentor junior members in a fast-paced environment. Enjoy our comprehensive benefits package and a commitment to your career development.

Benefits

Medical insurance

Dental insurance

Vision insurance

Life insurance

401K plan

Employee stock purchase program

Employee Assistance Program

Discounts for services

Qualifications

• 9+ years related work experience required.
• Active Full Scope Polygraph and Tier 5 Investigation clearance needed.
• Experience mentoring others is preferred.

Responsibilities

• Lead hardware/software installation and configuration.
• Provide technical support and troubleshooting.
• Monitor system performance and plan upgrades.

Skills

Technical Support

Troubleshooting

System Integration

Capacity Planning

Security Management

Education

Bachelors degree in related field

PhD in relevant field

Masters degree in related field

Tools

VMware ESXi

Hyper-V

Jira

Confluence

Job description

Apex Systems is seeking a Senior Systems Administrator to work fully onsite in Herndon, VA. For immediate consideration, please email your updated resume to Maren at [e-mail] with " Senior Systems Administrator Herndon, VA" in the subject line.

Summary:

We are seeking aSenior Systems Administratorto join a Specialized Infrastructure Operations team within the Information Technology & Data Analytics (IT&DA) organization in Herndon, VA. This role supports a Mission Operations Portfolio by delivering and maintaining critical platforms for both commercial and government clients.

Responsibilities:

• Lead system integration efforts, including hardware/software installation, configuration, and lifecycle management of servers and workstations.
• Provide advanced troubleshooting, root cause analysis, and technical support for delivery systems.
• Participate in the design, validation, and configuration management of computing environments.
• Plan and coordinate system upgrades and changes.
• Manage user access and implement safeguards to ensure compliance with security requirements.
• Monitor system performance and support capacity planning, backup strategies, and disaster recovery.
• Mentor and train junior team members, fostering knowledge sharing and team development.

Qualifications:

• Bachelors degree with 9+ years related work experience or an equivalent combination of technical education and experience (e.g. PhD with 4+ years related work experience, Masters degree with 7+ years related work experience, 13 years related work experience, etc.).
• Active Full Scope Polygraph.
• Successfully completed a Tier 5 (T5) Investigation (formerly SSBI) within the last 5 years or enrolled in a Continuous Vetting program.
• 5+ years of experience as a systems administrator.
• 5+ years of experience working cross-functionally with stakeholders at all organizational levels.

Preferred Qualifications:

• 5+ years of relevant experience or an equivalent combination of education and experience.
• Active certifications in Cloud technologies, Information Security (INFOSEC), or related fields.
• Experience with virtualization platforms such as AHV, VMware ESXi, and Hyper-V.
• Familiarity with VDI infrastructure, system monitoring, security hardening, documentation (e.g., Confluence), and task tracking tools (e.g., Jira).

EEO Employer

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at [e-mail] or 844-463-6178.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico.

Apex Benefits Overview:Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.