Senior System Administrator

ASEC; Lexington Park (MD); On-site; USD 145,000 - 160,000; Full time

Benefits offered by this job

ESOP

Comprehensive benefits package

401(k)

Tuition assistance

Veteran-friendly

Thriving culture

Job summary

ASEC is seeking a Senior System Administrator to support the Navy’s Live, Virtual, and Constructive training environment in Lexington Park, MD. The role requires administering Windows and Linux servers, managing virtualized environments, and ensuring storage, backup, and DR readiness for high‑fidelity training exercises.

You will implement RMF controls and STIGs, perform vulnerability remediation, and coordinate with engineers to restore services during mission-critical events.

Qualifications

• Master’s degree or PhD in Engineering, Cybersecurity, Data Science, Information Systems/IT, or Software Engineering.
• Certifications such as SecurityX, CCNP Security, CCSP, FITSP-0, GFACT and/or MS/RH/VMware certifications.
• Extensive experience with DoD RMF/ STIG and vulnerability remediation best practices.

Responsibilities

• Administer Windows and Linux servers for simulation, training, and mission-planning apps.
• Manage VMware/Hyper‑V/ cloud virtualization environments.
• Maintain enterprise storage, backups, and disaster recovery capabilities.
• Perform patching, upgrades, and lifecycle management.
• Install/configure simulation software and middleware.
• Support distributed training across sites.
• Configure application servers for LVC exercises.

Skills

VMware

Hyper-V

Cloud virtualization

RMF/ STIG security

DoD/NAVAIR experience

Linux servers

Windows servers

Disaster recovery

Vulnerability remediation

DoD DoN experience

Education

Master’s or PhD in Engineering / Cybersecurity / Data Science / IT

Certifications: SecurityX, CCNP Security, CCSP, FITSP-0, GFACT; MS/Red Hat/VMware certs

Tools

VMware

Hyper-V

Storage solutions

Backup/recovery systems

RMF/STIG tooling

Job description

Description

What You’ll Do:

Looking for an opportunity to apply your technical expertise to a mission that matters, this is it. As the Senior System Administrator, you will support the systems and technologies that power the Navy’s premier Live, Virtual, and Constructive (LVC) training environment. By integrating real-world platforms with advanced simulations, this mission recreates the most sophisticated threats facing our warfighters to deliver realistic, high-end combat training that cannot be achieved in the real world alone.

As part of our team, you will directly contribute to mission readiness, helping ensure that U.S. and allied forces are trained, tested, and prepared to succeed in the most demanding operational environments.

This position will be based fully on-site at our Lexington Park, MD office. Periodic travel to the NAS Oceana Dam Neck Annex in Virginia Beach, VA, where the Global LVC Operations Center is located, will be required. Candidates interested in relocating to the Virginia Beach area may also have the option to work from the government site.

Key Responsibilities:

• Administering Windows and Linux servers in support of simulation, modeling, training, and mission-planning applications.
• Managing VMware, Hyper‑Virtual, or cloud-based virtualization environments.
• Maintaining enterprise storage solutions, backup systems, and disaster recovery capabilities.
• Performing system patching, upgrades, and lifecycle management.
• Installing, configuring, and maintaining simulation software and supporting middleware.
• Supporting distributed training environments connecting multiple training sites.
• Configuring and maintaining application servers supporting LVC exercises.
• Ensuring systems are properly synchronized and configured for large-scale training events.
• Implementing and maintaining RMF controls and STIG compliance.
• Conducting vulnerability remediation and security hardening.
• Providing operational support during major fleet exercises and training events.
• Coordinating with engineers and operators to restore services during mission‑critical events.

This description outlines the general nature and scope of the role. Additional duties may be assigned as necessary.

Requirements

What You’ll Bring:

• At least 7 years of related experience is required.
• Demonstrated experience administering virtualized environments using VMware, Hyper‑Virtual, or equivalent virtualization technologies, including system provisioning, maintenance, and performance optimization.
• Experience installing, configuring, and maintaining enterprise server infrastructure, storage solutions, backup and recovery systems, and mission‑critical applications in classified and unclassified environments.
• Experience implementing and maintaining cybersecurity controls in accordance with DoD Risk Management Framework (RMF), DISA Security Technical Implementation Guides (STIGs), and vulnerability remediation best practices.
• Experience supporting distributed or enterprise environments requiring high system availability, lifecycle management, patching, troubleshooting, and rapid restoration of services during operational or mission‑critical events.
• Experience supporting Department of Defense (DoD), Navy, or NAVAIR systems, including simulation, modeling, training, or other mission support environments is highly desired.

Education and Certification Requirements:

1. A master’s degree or Ph.D. in Engineering, Cybersecurity, Data Science, Information Systems or Information Technology, or Software Engineering.
2. One of the following industry certifications: SecurityX, CCNP Security, CCSP, FITSP‑0 or GFACTAND one of the following: MS Certified Solutions Associate (Windows Server 2016 or later), Red Hat Certified System Administrator, or VMware Certified Professional.

Qualified candidates should have one of the following:

Please upload copies of any relevant certifications.

Equally Important:

• Ability to build positive, collaborative relationships across teams and with external partners.
• Effective communicator with strong verbal and written skills.
• Proactive, self‑directed work style with the ability to operate independently.
• Analytical thinker with proven problem‑solving capabilities.
• Highly organized, with the ability to balance competing priorities in a fast‑paced environment.

ASEC is committed to providing access and reasonable accommodation in its services, activities, programs, and employment opportunities in accordance with the Americans with Disabilities Act and other applicable laws.

Security Clearance Requirement:

• This position requires U.S. citizenship and an active DoD Top Secret clearance. Selected candidate will be subject to a government security investigation and must meet eligibility requirements for access to classified information.

Salary Range:

• The anticipated annual salary range for this position is $145,000-$160,000, commensurate with an individual’s experience, qualifications, and skill set. ASEC is committed to providing fair and equitable compensation.

Who We Are:

ASEC offers meaningful, mission‑driven work within a culture that supports your professional and personal growth. We partner with our government customers to deliver innovative solutions across engineering, information technology, training, and logistics. Above all, we are committed to doing what’s right for the Warfighter—plain and simple. Explore what makes ASEC different by visiting our website.

Why work at ASEC?

• 100% employee-owned company. Learn more about our Employee Stock Ownership Plan (ESOP) here!
• Comprehensive benefits package, including 11 paid holidays, medical/dental/vision coverage, HSA/FSA options, disability insurance, and more!
• 401(k) with company match
• Tuition assistance for undergraduate and graduate education
• Veteran-friendly employer
• Thriving employee culture

ASEC is an Equal Opportunity Employer. We recruit, hire, train, compensate, and promote employees based on qualifications, merit, and business needs, without regard to race, color, religion, sex, national origin, ancestry, age, marital status, sexual orientation, gender identity or expression, disability, veteran status, genetic information, pregnancy or related conditions (including breastfeeding), or any other status protected by law.

ASEC also complies with all applicable pay transparency laws and will not discriminate against employees or applicants for inquiring about, discussing, or disclosing compensation.