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Senior Systems Administrator

RogueThink Inc

Posted today

Job Requirements

Chantilly, VA
Top Secret Full Scope Polygraph
Mid Level Career (5+ yrs experience)
Salary not specified
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Job Description

Senior Systems Administrator
Location: Chantilly, VA (On-Site / Customer Site)
Clearance: TS/SCI with FSP
Employment Type: Full-Time

About RogueThink
RogueThink is a forward-thinking IT services provider supporting mission-critical federal programs. We deliver secure, high-impact technology solutions in classified environments while fostering a culture of integrity, accountability, and technical excellence.

Position Overview
RogueThink has an opening for a Senior Systems Administrator with Cloud Experience to support a classified federal program in Chantilly, VA. This role provides Engineering and Administrative support for a team of developers and testers operating in a mission-driven environment. The ideal candidate is comfortable deviating from industry standard procedures to meet mission needs while maintaining rigorous system security standards, and brings deep hands-on experience across AWS, hybrid-cloud, and enterprise Linux/Windows environments.

Key Responsibilities
• Provide Engineering and Administrative support onsite for a team of developers and testers, adapting approaches to meet mission-specific requirements while maintaining strict system security standards
• Work as part of a team to design, build, and maintain AWS and hybrid-cloud systems.
• Administer systems based on Linux and Windows operating systems.
• Maintain and troubleshoot IP networking systems for AWS and hybrid-cloud environments.
• Automate system deployment, operation, and maintenance using Infrastructure as Code and Configuration Management tooling.
• Maintain and update system documentation, standard operating procedures (SOPs), and configuration baselines.
• Perform patch management, vulnerability remediation, and system hardening in accordance with program security standards.
• Support RMF, ATO, SSP, and BoE cybersecurity compliance documentation and audit activities.
• Collaborate with security, network, and development teams to ensure system integrity and operational continuity.
• Support backup, disaster recovery, and business continuity planning and testing.
• Support ITIL-based service management workflows for incident, change, problem, and configuration management.

Required Qualifications
• Must be a US citizen with an active TS/SCI with FSP
• Experience with designing, deploying, and administering cloud-based solutions.
• Experience with architecture, maintenance, and administration of Linux and Windows Operating Systems within large enterprise environments.
• Experience with automating tasks using tools such as Ansible, Bash, PowerShell, Puppet, or Python.
• Proven experience working within IT Systems Design, Deployment, and Administration.
• SME or Expert-level experience in systems administration in a classified or mission-critical environment.
• Solid understanding of networking fundamentals including DNS, DHCP, VPN, firewalls, and routing protocols.
• Familiarity with RMF, ATO, and SSP documentation requirements.
• Strong analytical and troubleshooting skills with the ability to resolve complex infrastructure issues independently.

Preferred Qualifications
• Cloud service certification (e.g., AWS, Azure, Google, or similar).
• Experience managing and manipulating containers (e.g., PODMAN, Docker, Kubernetes).
• Extensive experience designing, deploying, and troubleshooting IPv4 Networking, including Subnetting, OSPF Routing, VLANs, and VPNs.
• Knowledge of cloud database management (e.g., MySQL RDS and PostgreSQL).
• Experience with one or more programming languages.
• Knowledge of cybersecurity principles and best practices in the context of cloud environments.
• Comfortable working in an Agile development environment.
• Recent experience in Technical or Team Leadership positions.

Why Join RogueThink
You will work on mission-critical federal programs that directly support national security and government transformation while collaborating with a high-performance engineering team that values innovation, autonomy, and technical excellence. This role provides access to secure development environments, exposure to emerging technologies, and meaningful opportunities for professional growth, including supported technical training, certifications, and clearance upgrades.

Benefits at RogueThink
At RogueThink, we believe our people are our greatest strength. We are committed to creating a supportive, rewarding, and growth-oriented environment. Our benefits reflect that commitment, with offerings designed to support your personal and professional well-being.

Compensation
We offer competitive compensation packages that reflect our core values of integrity, intelligence, and passion. In addition, performance bonuses are available to all employees and are based on individual contributions, company performance, and program management recommendations.

Retirement Plans
Our 401(k) Matching program provides dollar-for-dollar matching on the first 6% of employee contributions to a traditional or Roth 401(k) through Vanguard.

Employee Referral Bonuses
We value our employees’ trusted recommendations. To recognize these referrals:
• $8,000 bonus for successfully hired TS/SCI-cleared candidates
• $5,000 bonus for all other successful referrals

Paid Time Off (PTO)
RogueThink offers competitive PTO policies that consider both program requirements and employee seniority.

Observed Federal Holidays
We observe the following holidays:
• New Year's Day
• Martin Luther King Jr. Day
• Presidents Day
• Memorial Day
• Independence Day
• Labor Day
• Columbus Day
• Veterans Day
• Thanksgiving Day
• Christmas Day

Insurance Coverage
We offer comprehensive insurance options, including:
• Health, Dental, and Vision Insurance
• Disability Insurance
• Accident and Critical Illness Insurance
• Life Insurance

Leave Policies
• Family Leave: Five paid days following the birth or adoption of a child
• Bereavement Leave: Three paid days for the loss of an immediate family member

Training and Development
We invest in our people. RogueThink offers a combination of online and in-person training to ensure our workforce stays ahead of industry trends and evolving technologies.

Educational Assistance
We support your professional and continuing education goals by offering tuition assistance for eligible programs.

Equal Opportunity Employer:
RogueThink is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive work environment for all employees.
group id: 90984143
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Name HiddenOperations Manager

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Clearance Level
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