Information System Security Engineer

Job Title: Information System Security Engineer
Clearance Required: US Citizen, Active Secret
Work Location: Alexandria, VA area (hybrid work option available)

Alpha Omega is looking for a focused, driven self-starter to work in a highly dynamic, cross-functional, complex IT environment. The Security Engineer (SE) will assist and support C5ISC’s security posture tracking activities of USCG systems in Alexandria, VA. The SE will report directly to the Alexandria Project Manager (PM), while independently leading and or conducting enterprise and system-level SE tasks.

The successful candidate should have experience performing scanning-related tasks; creating and editing Microsoft Office documents; expert verbal and written communication skills; ability to interpret NIST and DoD guidance; and experience with industry tools, such as STIG viewer and ACAS.

Key Responsibilities:

• Performs network vulnerability scanning using ACAS, and performs vulnerability analysis, vulnerability reporting in accordance with the provisions of DoD, DISA, and NIST policies, directives, and guidelines.
• Diagnoses and resolves ACAS vulnerability scanning credential failures, false positives, scanning issues and reporting issues.
• Provides detailed reports including data, analyses, and conclusions upon completion of tests, scans, and assessments, including mitigations and, if indicated, appropriate escalation of identified risks and vulnerabilities.
• Performs other Network Security/Information Assurance tasks as assigned.
• Conduct reviews of NIST, OMB, DHS, DoD, FISMA policies, mandates, and vendor publications related to enterprise technologies and recommend changes to organizational policy and procedures affected by new guidance.
• Support authoritative order review, research, impact assessment, distribution, compliance determination, tracking, and reporting.
• Monitors identified vulnerabilities throughout their lifecycle from discovery to mitigation using ACAS, HBSS, STIG Viewer or other industry tools.
• Facilitate the Plan of Actions and Milestones (POA&M) program to ensure customer systems have accurately and fully provided information for POA&M activities.
• Capture, store, analyze and present Cybersecurity data for stakeholder situational awareness at appropriate command and senior management levels both local and enterprise wide.
• Participate in the development, review and de-confliction of customer information system security policy and standards, including writing guidelines, standards, procedures, and other technical documentation (technical roadmaps, project plans, etc.).
• Support the development and maintenance of system asset lists, hardware, and software baselines.
• Provide detailed security-related reports including data, analyses, and conclusions upon completion of tests, scans, and assessments, including mitigations and, if indicated, appropriate escalation of identified risks and vulnerabilities.
• Keep management informed of impending areas of concern, verbally and in writing
• Comfortable conveying project/task material to individuals, small and large groups.
• Perform research to ensure knowledge proficiency remains aligned to technologies and industry’s best practices.
• Engage constructively within the team to identify and resolve challenges or exploit opportunities.

• MUST possess excellent verbal and written communication skills. MUST be comfortable discussing (both verbally and in writing) status and risks/project impacts with all levels of management and project stakeholders.
• Ability to interpret NIST and DoD guidance

Required Qualifications:

• Experience/Skills:
• Five (5) years of related experience

• Fully qualified, by qualification standards and requirements in accordance with DoDD 8140.01 and DoDM 8140.03, DCWF Reference 511, 622, 722, Level II/Level III
• Experience with industry tools, such as STIG viewer and ACAS
• Experience with IAVMs, DISA STIGs, POA&Ms, and related Federal/DoD policies and regulation
• Experience with regulatory interpretation, risk analysis, systematic data gathering, and presentation
• Experience with MS Office and MS Teams

Preferred Qualifications:

• Fully qualified, by qualification standards and requirements in accordance with DoDD 8140.01 and DoDM 8140.03, DCWF Reference 511, 622, 722, Level III; CISSP certification in good standing
• Bachelor’s degree or higher in IT

• Experience and familiarity with DevSecOps principles especially in terms of secure coding best practices
• Background in some or all the following: Networking, Security Engineering, Systems Engineering, Configuration Management.

The likely salary range for this position is $100k-$130k. This is not, however, a guarantee of compensation or salary. There are multiple factors that are considered in determining final pay for a position, including, but not limited to, relevant work experience, skills, certifications and competencies that align to the specified role, education and certifications as well as contract provisions regarding labor categories that are specific to the position and could fall outside of this range.

Application Deadline: 12/20/2025

Joining the Alpha Omega team entitles you to participate in all retirement benefits, plans of deferred compensation, health and insurance benefits, and other such benefits as set forth in the company’s policy and benefits manuals. See below, to name a few:

• PTO including paid parental, military, and bereavement leave
• Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
• Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
• Life Insurance, STD/LTD term disability coverage, with employer paid premiums
• 401 (k) plan with a match that is 100% vested after you complete two years of service
• FSA/DFSA/HSA flexible benefit plans
• Annual Tuition & Professional Development Reimbursement benefit

We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Culture and Values:

Guided by our core values—Harmony, Engagement, Accountability, Resourcefulness, and Tenacity (HEART)— we foster a culture of innovation, collaboration, and continuous learning and are committed to delivering high-impact solutions. We recognize and reward hard work.

Through our H.E.A.R.T. Awards Program, colleagues and managers can recognize each other for actions that exemplify these values. Recognized employees receive a detailed nomination highlighting their contributions, which is shared with their manager. Each quarter, select nominees have the opportunity to receive a monetary bonus as an extra thank-you for their impact.

Our Company:

Alpha Omega is an award-winning Federal IT solutions provider dedicated to delivering mission-enabling technology and strategic solutions across the National Security, Federal Financial, Healthcare, and Space & Science domains. Since our founding in 2016, we have grown to over 800 employees nationwide with $230m in revenue. With the January 2025 acquisitions of SeKON and Macro Solutions, we have expanded our capabilities to further support our customers in digital modernization, artificial intelligence, and cybersecurity. 

We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations:

• National Security – Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State. 
• Federal Financial – We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC). 
• Healthcare – Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA). 
• Space & Science – We leverage technology to advance agricultural sustainability, secure our nation’s food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA). 

Through strategic partnerships, intellectual property, and relentless drive for innovation, Alpha Omega is shaping the future of government technology. We are proud to be a Virginia Best Places to Work 8 times, an Inc. 5000 honoree 7 times, and a Washington Post Top Workplaces 4 times. Join us in driving transformation that secures the nation's future. 

Alpha Omega Integration, LLC (Alpha Omega) is an Equal Opportunity 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.

Salary : $100,000 - $130,000